The Gear, cataloged under National Stock Number 2835-01-134-2511, is classified within Federal Supply Class 2835 (Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2835-01-134-2511 |
| Primary Part Number | 23006391 |
| Item Name | Gear |
| FSC / FSG | 2835 / 28 — Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| FSC Application Data | USE ON GENERATOR SET,GAS TURBINE,NSN 6115-01-113-1093 |
| General Characteristics Item Description | MATERIAL AMS 6265;O/A LG 38.0 MM;O/A OD 40.0 MM OF HUB;O/A ID 30.245 MMOF HUB;O/A ID 69.0 MM OF GEAR END MAJ DIA;O/A ID 50.0 MM OF GEAR END MIN DIA;EXTERNAL HELICAL GEAR DATA:1.3800 MODULE PLANE OF ROTATION SIXTY (60) TEETH;PRESSURE ANGLE IN PLANE ROTATION 24.5743 DEG;HELIX ANGLE-LH 25.0695 DEG;OD 86.45 MM TO 86.58 MM;PITCH DIA 82.80 MM;APD 81.884;ROOT DIA 80.11 TO 80.61 MM;MIN ROOT FILLET RADIUS 0.40;BREAK TIP0.13 MAX;MEASURE OVER TWO (2) 22.240 DIA BALLS 87.091 TO 87.190;GEAR TOOTH I/A W/GM20004-D,CL Q7;NOM MODULE 1.25;NOM PRESS ANGLE 22.5 DEG;LEAD 556.0761;A RC TOOTH THK AT PD PLANE ROTATION 2649 TO 2.699;0.15 TO 0.25 MM BACKLASH W/MATING GEAR ON 72.8680 CENTERS;BASE CIRCLE DIA 75.3004;NOR BASE PITCH 3.6281,LEAD TOL TO BE APPL TO CENTRAL 80 PP MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 23006391 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23004432 | 5/9 Secondary reference Rolls-Royce Corporation |
| 23004432 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 23006391 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2835-01-134-2511 is a Gear, manufactured by Rolls-Royce Corporation, classified under FSC 2835, Gas Turbines and Jet Engines; Non-aircraft Prime Mover, Aircraft Non-prime Mover, and Components. Status: active.
NSN 2835-01-134-2511 has 1 manufacturer part number on file: 23006391 (Rolls-Royce Corporation).
Key specifications for 23006391: FSC Application Data: USE ON GENERATOR SET,GAS TURBINE,NSN 6115-01-113-1093; General Characteristics Item Description: MATERIAL AMS 6265;O/A LG 38.0 MM;O/A OD 40.0 MM OF HUB;O/A ID 30.245 MMOF HUB;O/A ID 69.0 MM OF GEAR END MAJ DIA;O/A ID 50.0 MM OF GEAR END MIN DIA;EXTERNAL HELICAL GEAR DATA:1.3800 MODULE PLANE OF ROTATION SIXTY (60) TEETH;PRESSURE ANGLE IN PLANE ROTATION 24.5743 DEG;HELIX ANGLE-LH 25.0695 DEG;OD 86.45 MM TO 86.58 MM;PITCH DIA 82.80 MM;APD 81.884;ROOT DIA 80.11 TO 80.61 MM;MIN ROOT FILLET RADIUS 0.40;BREAK TIP0.13 MAX;MEASURE OVER TWO (2) 22.240 DIA BALLS 87.091 TO 87.190;GEAR TOOTH I/A W/GM20004-D,CL Q7;NOM MODULE 1.25;NOM PRESS ANGLE 22.5 DEG;LEAD 556.0761;A RC TOOTH THK AT PD PLANE ROTATION 2649 TO 2.699;0.15 TO 0.25 MM BACKLASH W/MATING GEAR ON 72.8680 CENTERS;BASE CIRCLE DIA 75.3004;NOR BASE PITCH 3.6281,LEAD TOL TO BE APPL TO CENTRAL 80 PP MM. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.