The Collar, cataloged under National Stock Number 6320-01-137-2024, is classified within Federal Supply Class 6320 (Shipboard Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Collar |
| FSC / FSG | 6320 — Shipboard Alarm and Signal Systems (FSG 63) |
| Parameter | Value |
|---|---|
| NSN | 6320-01-137-2024 |
| Item Name | Collar |
| FSC / FSG | 6320 / 63 — Shipboard Alarm and Signal Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| A-16522 | 3/9 Design control — primary reference L3 Technologies, Inc. |
NSN 6320-01-137-2024 is a Collar, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3020-01-257-0282. Verify interchangeability with system specifications before substitution.
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.