The Tachometer and Gear Assembly, cataloged under National Stock Number 1270-01-071-3713, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-071-3713 |
| Item Name | Tachometer and Gear Assembly |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Status | ACTIVE |
| General Characteristics Item Description | USED ON DEROTATION DRIVE;CONSISTSOF 1 MOTOR P/N 801495-5;1 GEAR,36T,72 P,AB,P/N MS51923-123 418323-123;AND COMPOUND P/N 417766-1 USED AR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 881720-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1270-01-071-3713 is a Tachometer and Gear Assembly, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
Key specifications for 1270-01-071-3713: General Characteristics Item Description: USED ON DEROTATION DRIVE;CONSISTSOF 1 MOTOR P/N 801495-5;1 GEAR,36T,72 P,AB,P/N MS51923-123 418323-123;AND COMPOUND P/N 417766-1 USED AR; End Item Identification: AN/AAQ-9,INFRARED DETECTING SET. 1 specification is 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 1270-01-071-3713 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.