The Lock Segment,plain, cataloged under National Stock Number 1270-01-003-1371, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1270-01-003-1371 |
| Item Name | Lock Segment,plain |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2202-134 | 3/9 Design control — primary reference U.S. Government activity |
| 2202-134 | 5/9 Secondary reference Recon/optical, Inc. |
NSN 1270-01-003-1371 is a Lock Segment,plain, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-138-3260. Verify interchangeability with system specifications before substitution.
Key specifications for 1270-01-003-1371: General Characteristics Item Description: ALUMINUM; End Item Identification: OPTICAL SIGHT,CA&511. 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.
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.