1. Product Introduction
This comprehensive collection features OEM-grade capital parts and certified consumables for the GE MS935(FA) gas turbine, spanning combustion chamber modules, fuel delivery components, turbine stage seals, compressor hardware, bearing assemblies, and fastener kits. All components are manufactured from high-temperature resistant alloys ( Hastelloy, Inconel, and aerospace-grade alloy steel), heat-treated to withstand extreme operating temperatures (up to 1,100°C for combustion components) and cyclic thermal stress, with strict dimensional tolerances (±0.003mm for precision sealing and rotating parts). Unlike generic alternatives, these parts are engineered exclusively for the MS935(FA) model, ensuring full compatibility with DLN II combustion systems, turbine stage shrouds, compressor casings, and bearing assemblies without modification.
2. Key Functional Specifications
- Combustion System Performance: Capital components (transition pieces, fuel nozzles, coated liners) maintain stable DLN II combustion, reduce emissions, and preserve fuel atomization efficiency for consistent power output.
- Sealing & Leakage Control: High-pressure spiral wound gaskets, laminate seals, and C-seals deliver zero-gas-leak performance under 2.25-8 tension stud loading, preventing thermal efficiency loss.
- Mechanical Stability: Aerospace-grade 12-point fasteners, shoulder pins, and threaded studs maintain casing integrity under high cyclic load and vibration, with a tensile strength rating ≥1,100 MPa.
- Inspection & Monitoring Support: Borescope plugs, thermocouple assemblies, and instrumentation tubing enable non-destructive testing (NDT) and real-time temperature/pressure monitoring per OEM inspection standards.
- Wear Resistance: Coated combustion liners and anti-rotation clips extend service intervals to 8,000+ operating hours, reducing frequent replacement and maintenance costs.
3. Structural Design Features
All GE MS935(FA) parts feature a modular, OEM-matched structural design optimized for heavy-duty gas turbine operation, with key attributes including:
- Direct interchangeability with original MS935(FA) turbine subassemblies (combustion, turbine, compressor, exhaust, bearing) for quick overhaul and installation
- High-temperature alloy construction with thermal barrier coatings (TBCs) for combustion components to resist oxidation and thermal fatigue
- Precision-machined sealing surfaces and locking mechanisms to eliminate misalignment and gas leakage under extreme thermal expansion
- Standardized fastener interfaces and torque specifications for compliance with OEM assembly protocols, reducing installation error
4. Applicable Operating Conditions
These parts are engineered to perform reliably in the most demanding heavy-duty gas turbine operating environments, fully compliant with GE MS935(FA) operational parameters:
- Base-load and peaking power generation facilities (utility-scale power plants)
- Continuous operation with ambient temperature range: -30°C to 55°C (-22°F to 131°F)
- High-temperature combustion zones (up to 1,100°C) and high-pressure compressor sections (up to 1.5 MPa operating pressure)
- Scheduled capital inspections, HGP kit retrofits, and emergency overhauls for MS935(FA) turbines
- Compliance with industrial emissions standards and OEM maintenance protocols
5. Proactive Maintenance & Troubleshooting Recommendations
To maximize part lifespan, ensure compliance, and minimize turbine downtime for GE MS935(FA), follow these OEM-aligned maintenance best practices:
- Scheduled Inspection Intervals: Inspect combustion chamber capital parts every 4,000 operating hours; replace consumable gaskets, fasteners, and seals during every capital inspection (8,000-hour intervals) to prevent leakage and failure.
- Thermal Stress Management: Use only specified anti-seize compound on fasteners and studs during assembly to avoid seizing under high temperatures; torque all 12-point screws and bolts to OEM specifications.
- Sealing System Care: Inspect crossfire tubes, laminate seals, and spiral wound gaskets for cracks or wear during borescope inspections; replace immediately if degradation is detected to preserve combustion pressure.
- Component Lifecycle Tracking: Monitor capital parts (fuel nozzles, transition pieces) for erosion and coating wear; replace at 80% wear threshold to maintain combustion efficiency and avoid catastrophic failure.
- Inventory Planning: Stock high-turnover consumables (gaskets, fasteners, seals) and critical capital spares to reduce outage duration; reference listed quantities for standard overhaul kits.
- We supply the following spare parts:
| List of capital and consumable parts MS9351(FA) | ||
| Capital parts for the ability to use an unmodified HGP kit | ||
| Part Number | Description | Qty |
| 129E9261G003 | 91FA TRANSITION PC. ASSY. (ТР) | 18 |
| 138E6418G001 | DLN II CAP UNCOATED | 18 |
| 119E8690G010 | FUEL NOZZLE ASSEMBLY | 18 |
| 119E8782G008 | 9FA DLN II COATED LINER | 12 |
| Consumables required for the execution of a capital inspection | ||
| 119E9545G017 | 318A9713P071 | GASKET,SPRIAL WOUND |
| 119E9545G017 | N733AP39064 | BOLT 12 PT |
| 119E9545G017 | N170P25010 | SCREW, SOCKET HEAD CAP |
| 119E8689G002 | 204D4953P001 | TUBE,CROSSFIRE (FEMALE) |
| 119E8689G002 | 204D4953P002 | TUBE,CROSSFIRE (MALE) |
| 119E8689G002 | 241C3586P001 | RETAINER,CROSSFIRE TUBE |
| 119E8689G002 | N170P25010 | SCREW, SOCKET HEAD CAP |
| 119E8689G002 | 104C1142P001 | STOP,LINER ANTI-WITHDRAWA |
| 141E7984G014 | 318A9800P002 | PLUG,BORESCOPE HOLE |
| 141E7984G014 | 318A9801P002 | PLUG, BORESCOPE HOLE |
| 141E7984G014 | 239B5958G003 | PLUG ASSY, SEAL-BORESCOPE HOLE |
| 201E4191G012 | 355B7934P023 | STUD BODY BOUND TENSIONING (2.25-8) |
| 141E7966G008 | N733AP39052 | ALY STL 12PT SCREW |
| 137E2803G006 | 110E2488G001 | 9FA+ SEAL AS,STA OILBRG 1 |
| 137E2803G006 | 188D7873G001 | SEAL ASSY, BRG -1 |
| 137E2803G006 | 227C5759P001 | DEFLECTOR,AIR BRG |
| 137E2803G006 | 355A7363P001 | PIN,SHOULDER,HEADLESS |
| 137E2803G006 | 279A1102P001 | PIN,SHOULDER,HEADLESS |
| 136E5549G011 | N733AP54124 | ALY STL 12PT SCREW |
| 136E5549G011 | N926P454 | WIRE LOCKING INSERT |
| 136E6519G001 | 322B4947P001 | BAR,NUT |
| 136E6519G001 | N733AP52112 | BOLT 12 PT |
| 143E4412G003 | 362A1504P002 | INT PRESSURIZED WAVE SEAL |
| 136E6519G001 | 50410-CRMT | A16Y1C1 000.23D 000.00 |
| 136E6519G001 | N926AP235H2 | NKL ALLOY WIRE LOCK |
| 143E4176G001 | N733AP44084 | SCREW, 12 PT |
| 143E4176G001 | 314B3120P001 | PLATE, LOCKING |
| 143E4176G001 | N733DP35048 | SCREW, 12 PT |
| 143E4176G001 | 188D7975P001 | CLIP,ANTI-ROTATION |
| 143E4176G001 | N24P33024 | HEX CAP SCREW(0.625-11×1.5) |
| 100T2919G001 | N733AP35072 | ALLOY STEEL 12-POINT SCREW |
| 143E5364G011 | 239B9719P008 | BOLT-CLEARANCEOMETER PLUG |
| 143E5364G011 | 321C1643P002 | PLUG BORES |
| 143E5364G011 | 268B4236P001 | SHOULDER PIN |
| 143E5250G003 | N733AP50076 | ALY STL 12PT SCREW |
| 143E5250G003 | 353B3540P022 | STUD, THREADED ENDS (2.00-8) |
| 143E5250G003 | 353B3535P004 | ROUND NUT 2-8 |
| 143E5250G003 | 353B3539P026 | STUD, THREADED ENDS (1.75-8) |
| 106L2144G007 | N432P14 | WASHER PLAIN HARDENED |
| 106L2144G007 | N733BP52116 | SCREW, 12PT ALY STL |
| 143E5276G004 | 239B9719P010 | BOLT-CLEARANCEOMETER PLUG |
| 143E5276G004 | 353B3539P022 | STUD, THREADED ENDS (1.75-8) |
| 143E5276G004 | 353B3538P021 | STUD, THREATED ENDS (1.50-8) |
| 143E5276G004 | 353B3535P002 | ROUND NUT 1.5-8 |
| 106L2144G007 | N733AP44080 | ALY STL 12PT SCREW |
| 141E8324G005 | 372A5272P004 | HIGH PRESSURE LIFT LINE |
| 136E5956G001 | N926P452 | HELICOIL |
| 136E5956G001 | N733AP52208 | ALY STL 12PT SCREW |
| 136E5956G001 | N926P452 | HELICOIL |
| 144E8852G002 | 362A1885G006 | THERMOCOUPLE ASSY,BRG |
| 119E8707G009 | 119E7630G001 | 9FB CLAMP, SUPPORT |
| 119E8707G009 | 237C5594G001 | RETAINER, ASSY |
| 119E8707G009 | 204D5134G001 | SIDE SEAL, ASSY-CLOTH |
| 119E8707G009 | 361B6014P001 | SHIM, FORWARD SUPT CLAMP |
| 107T5553G0001 | 100T3596P001 | LOCKWIRE, 9FA/B STG 1 |
| 107T5553G0001 | 112T9638P0001 | DAMPER PIN, BKT STG 1 |
| 107T5553G0001 | 112T9567P0001 | PIN, SHANK SEAL STG 1 |
| 107T5553G0001 | 314A5196P003 | PIN, DOWEL |
| 107T5553G0001 | 147E1231P001 | DVTL C-SEAL |
| 107T5558G0002 | 100T3596P002 | LOCKWIRE, 9FA/B STG 2 |
| 107T5558G0002 | 242B9707P002 | PIN, PLATFORM SEAL-STG2 |
| 107T5558G0002 | 242B9708P004 | PIN SHANK SEAL STG 2 |
| 107T5558G0002 | 314A5196P004 | PIN, DOWEL |
| 107T5558G0002 | 147E1231P001 | DVTL C-SEAL |
| 107T5561G0001 | 100T3596P003 | LOCKWIRE, 9FA/B STG 3 |
| 107T5561G0001 | 242B9738P002 | PIN PLATFORM SEAL STG 3 |
| 107T5561G0001 | 242B9737P002 | PIN SHANK SEAL STG 3 |
| 107T5561G0001 | 314A5196P004 | PIN, DOWEL |
| 107T8015G0001 | 104T7277P0593 | LAMINATE SEAL |
| 107T8015G0001 | 199D3157P319 | HARD SEAL, HORIZONTAL JOINT |
| 107T8015G0001 | 113T6826P0001 | PIN, SEAL |
| 107T8015G0001 | 113T6072P0001 | E-SEAL, EXTERNALLY PRESSZD, PRE-COMPRESD, S1S |
| 107T8022G0001 | 199D3157P322 | HARD SEAL, HORIZONTAL JOINT |
| 107T8022G0001 | 199D3157P326 | HARD SEAL, HORIZONTAL JOINT |
| 107T8022G0001 | 104T7277P0603 | LAMINATE SEAL |
| 107T8022G0001 | 314B3065P001 | PIN, SEAL |
| 107T8022G0001 | 318A9823P002 | PIN SHROUD |
| 107T8024G0001 | 199D3157P327 | HARD SEAL, HORIZONTAL JOINT |
| 107T8024G0001 | 314B3065P001 | PIN, SEAL |
| 107T8024G0001 | 109B3005P002 | PIN, SHROUD |
| 111T4462G0003 | N14JP29020 | HX HD CAP SCR & BOLT |
| 111T4462G0003 | 111T7230P0001 | SEAL HOUSING, S1N |
| 111T4462G0003 | N733AP44080 | ALY STL 12PT SCREW |
| 109T9654G0001 | N733AP44072 | SCREW-12 PT(1.25-8X4.50L) |
| 107T6377G0003 | 196D1373P001 | CLAMP,HOLD DOWN |
| 107T6377G0003 | 227C9571P001 | PLATE,CLAMPING |
| 107T6377G0003 | 227C9572P004 | PLATE,CLAMPING |
| 107T6377G0003 | 242B9789P001 | LOCK PLATE |
| 107T6377G0003 | 111T9078P0001 | E-SEAL, EXT PRESSZD, ISW – S1N |
| 107T6402G0002 | 204D4109P238 | SEAL, HORZ JOINT |
| 107T6402G0002 | 104T7277P0592 | LAMINATE SEAL |
| 107T6402G0002 | 113T5395P0001 | V SEAL, FWD, PRE-COMPRESSED |
| 107T6402G0002 | 242B9749P003 | PIN,RETAINING-NOZZLE |
| 107T6402G0002 | 324A9737P001 | PLUG,RETAINER |
| 107T6402G0002 | 255A4330P001 | ADAPTER,TUBING |
| 107T6402G0002 | 227C5224P001 | TUBING,INSTRUMENTATION |
| 107T6388G0001 | 204D4109P229 | SOLID SEAL |
| 107T6388G0001 | 104T7277P0584 | LAMINATE SEAL |
| 107T6388G0001 | 201C7024P003 | TUBING |
| 107T6388G0001 | 255A4330P001 | ADAPTER,TUBING |
| 107T6388G0001 | 112T7253P0001 | V-SEAL,STG2-QTY1=4SEGMNTS |
| 107T6388G0001 | 132B6309G001 | PIN ASSY, SEAL |
| 298A0111P053 | Key | |
| 298A0111P054 | Key | |
| 298A0111P055 | Key | |
| 298A0111P056 | Key | |
| 298A0111P062 | Key | |
| 298A0111P058 | Key | |
| 298A0111P059 | Key | |
| 287A1399P023 | FITTING,TUBE | |
| 372A2221P022 | EXHAUST THERMOCOUPLE, TYPE K, WITH CONNECTOR | |
| 362A3345P203 | CABLE-T/C W/CONN | |
| 287A1397P001 | COMPOUND, ANTI-SEIZE | |
| 156A1087P004 | Swagelock Nut ¼ | |
| 156A1088P004 | Swagelock Ferrule ¼ | |
| 361A2289P175 | TC ARR,REMOVBL, TT-WS3AO | |
| 372A3714G007 | N5606P02501G11 | GASKET, SPIRAL WOUND |
| 109L5700G002 | N265DP00035 | STL LOCK NUT |
| 372A3715G013 | N265DP00037 | STL LOCK NUT |
| 109L5700G001 | 101T3407G091 | CLAMP, QUICK RELEASE FLG |
| 109L5700G001 | 101T3407G092 | CLAMP, QUICK RELEASE FLG |
| 109L5700G001 | 101T3407G093 | CLAMP, QUICK RELEASE FLG |
6. Field Fault Repair Cases (GE MS935(FA) Turbine)
Case 1: Combustion Chamber Fuel Nozzle Failure
A GE MS935(FA) turbine experienced unstable combustion and increased emissions during base-load operation. Borescope inspection revealed clogged and eroded fuel nozzle assemblies (P/N 119E8690G010), causing uneven fuel atomization. Replacing all 18 OEM fuel nozzle assemblies restored combustion stability, reduced emissions to compliant levels, and brought thermal efficiency back to rated parameters within a 24-hour outage window.
Case 2: Turbine Stage Seal Leakage
The MS935(FA) Stage 1 turbine shroud exhibited significant gas leakage, leading to power output loss. Diagnostics showed degraded laminate seals and damaged E-seals (P/N 104T7277P0593, 113T6072P0001). Installing OEM-grade seal kits and locking pins eliminated leakage, restoring full power output and preventing further thermal efficiency decline.
Case 3: Compressor Casing Fastener Failure
A mid-compressor casing developed pressure loss due to worn 12-point alloy steel screws and damaged studs. Visual inspection found stretched fasteners and loose threaded ends. Replacing the affected screws (P/N N733AP44080) and threaded studs (P/N 353B3539P022) restored casing pressure integrity, avoiding a full compressor teardown and reducing downtime significantly.
7. Frequently Asked Questions (FAQ)
| FAQ Question | Official Response |
| Are these parts compatible only with the GE MS935(FA) turbine model? | Yes, every capital and consumable part in this list is designed, tested, and certified exclusively for the GE MS935(FA) gas turbine, with full compatibility for DLN II combustion systems and standard HGP kit retrofits — no cross-compatibility with other GE turbine models. |
| What is the difference between capital parts and consumables for MS935(FA)? | Capital parts are high-value, long-service components (combustion chambers, fuel nozzles, liners) used for major overhauls to restore core turbine function; consumables are disposable items (gaskets, fasteners, seals) replaced during routine capital inspections to maintain sealing and structural integrity. |
| How do I source the correct part for my MS935(FA) inspection or repair? | Match the failed component’s assembly location (combustion, turbine, compressor, bearing) and part description to the listed part number; each entry is labeled for specific MLI (Material List Item) subassemblies, with quantity guidelines for standard overhaul scopes. |
8. Procurement Guidance
For power generation teams responsible for the maintenance, overhaul, and reliability of GE MS935(FA) gas turbines, this parts list is the definitive procurement and technical reference. Investing in these OEM-spec capital and consumable parts eliminates the risks of non-compliant repairs, premature component failure, and extended turbine outages, while ensuring alignment with GE’s strict maintenance standards. Whether you are stocking parts for scheduled capital inspections, planning an HGP kit retrofit, or sourcing emergency spares for unplanned failures, this curated catalog provides all the critical details to make informed, cost-effective purchasing decisions. Secure your supply of high-quality GE MS935(FA) parts today to protect your turbine investment, maintain consistent power generation, and streamline overhaul workflows with proven, reliable components.
