The Helmet Sight Subsystem, cataloged under National Stock Number 1270-01-041-3767, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-041-3767 |
| Primary Part Number | 2277716-01 |
| Item Name | Helmet Sight Subsystem |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West |
| Status | ACTIVE |
| General Characteristics Item Description | C/OLINKAGE ASSEMBLY GUNNER(P/N 2277711),LINKAGE ASSEMBLY PILOT(P/N 2277712),HELMET SIGHT ASSEMBLY(P/N 2251773),EXTENTION CABLE(P/N 2278325),INSTALLATI/N KIT(P/N 2278865),ELECTRONIC INTERFACE ASSEMBLY(P/N 2202190) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2277716-01 PRIMARY | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
NSN 1270-01-041-3767 is a Helmet Sight Subsystem, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-041-3767 has 1 manufacturer part number on file: 2277716-01 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).
Key specifications for 2277716-01: General Characteristics Item Description: C/OLINKAGE ASSEMBLY GUNNER(P/N 2277711),LINKAGE ASSEMBLY PILOT(P/N 2277712),HELMET SIGHT ASSEMBLY(P/N 2251773),EXTENTION CABLE(P/N 2278325),INSTALLATI/N KIT(P/N 2278865),ELECTRONIC INTERFACE ASSEMBLY(P/N 2202190). 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 1270-01-041-3767 has DEMIL Code D. 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.