The Gear,sector, cataloged under National Stock Number 2995-00-056-1353, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Dukes Aerospace, Inc.. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2995-00-056-1353 |
| Primary Part Number | 2158-47 |
| Item Name | Gear,sector |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Dukes Aerospace, Inc. |
| Status | ACTIVE |
| FSC Application Data | MISCELLANEOUS ENGINE ACCESSORIES,AIRCRAFT |
| General Characteristics Item Description | SPUR GEAR SECTOR 54 TEETH,48 DIA.PITCH,PITCH DIA 1.125,PRESSURE ANGLE 20 DEGREES,FACE WIDTH 0.187,DISTANCE FROM FIRST END HUB TO GEAR FACE 0.240,DISTANCE FROM SECOND END HUB END TO GEARFACE 0.273,2 PROTRUDING HUBS AT BOTH ENDS,FIRST END HUB DIA 0.1870 MIN 0.1873 MAX,SECOND END HUB DIA 0.170 SHAFT DIA 0.340,TAPERS TO 0.250,1/4-36 SAE STD. SERRATIONS GRIND TO 0.2432 P.D. 0.2660/0.2627,0.06 LONG CASE HARDEN 58-62RC TO 0.003-0.005 DP CORE HARDNESS 40-44 RC PER MIL-S-6090,MATERIAL 4620 STLFINE GRAIN PER MIL-S-7493 |
| 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 |
|---|---|
| 2158-47 PRIMARY | Dukes Aerospace, Inc. (USA) |
NSN 2995-00-056-1353 is a Gear,sector, manufactured by Dukes Aerospace, Inc., classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-00-056-1353 has 1 manufacturer part number on file: 2158-47 (Dukes Aerospace, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4920-01-074-5167. Verify interchangeability with system specifications before substitution.
Key specifications for 2158-47: FSC Application Data: MISCELLANEOUS ENGINE ACCESSORIES,AIRCRAFT; General Characteristics Item Description: SPUR GEAR SECTOR 54 TEETH,48 DIA.PITCH,PITCH DIA 1.125,PRESSURE ANGLE 20 DEGREES,FACE WIDTH 0.187,DISTANCE FROM FIRST END HUB TO GEAR FACE 0.240,DISTANCE FROM SECOND END HUB END TO GEARFACE 0.273,2 PROTRUDING HUBS AT BOTH ENDS,FIRST END HUB DIA 0.1870 MIN 0.1873 MAX,SECOND END HUB DIA 0.170 SHAFT DIA 0.340,TAPERS TO 0.250,1/4-36 SAE STD. SERRATIONS GRIND TO 0.2432 P.D. 0.2660/0.2627,0.06 LONG CASE HARDEN 58-62RC TO 0.003-0.005 DP CORE HARDNESS 40-44 RC PER MIL-S-6090,MATERIAL 4620 STLFINE GRAIN PER MIL-S-7493; End Item Identification: 4158-00,NSN 2995002265916. 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.