The Indicator,mast, cataloged under National Stock Number 6320-01-159-1980, 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of the Alarm, Signal, and Security Detection Systems group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Indicator,mast |
| FSC / FSG | 6320 — Shipboard Alarm and Signal Systems (FSG 63) |
| Parameter | Value |
|---|---|
| NSN | 6320-01-159-1980 |
| Item Name | Indicator,mast |
| 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 |
|---|---|
| 77643-65X4 PIECE 10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6320-01-159-1980 is a Indicator,mast, classified under FSC 6320, Shipboard Alarm and Signal Systems. Status: active.
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.