The Gearcase-Motor, cataloged under National Stock Number 3010-01-086-1983, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Firstmark Aerospace Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-086-1983 |
| Primary Part Number | 2960171021 |
| Item Name | Gearcase-Motor |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Firstmark Aerospace Corp |
| Status | ACTIVE |
| FSC Application Data | TEST SET,SYNCHRONIZER |
| Mounting Method | CLAMP RING(S) |
| Shaft End Characteristic | A1 SINGLE STYLE SINGLE END |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2960171021 PRIMARY | Firstmark Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 2960171021 | 5/9 Secondary reference U.S. Government activity |
NSN 3010-01-086-1983 is a Gearcase-Motor, manufactured by Firstmark Aerospace Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-086-1983 has 1 manufacturer part number on file: 2960171021 (Firstmark Aerospace Corp).
Key specifications for 2960171021: FSC Application Data: TEST SET,SYNCHRONIZER; Mounting Method: CLAMP RING(S); Shaft End Characteristic: A1 SINGLE STYLE SINGLE END; Terminal Type and Quantity: 5 WIRE LEAD. 4 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.
NSN 3010-01-086-1983 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.