The Mast, cataloged under National Stock Number 5985-01-279-1999, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Mast |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-279-1999 |
| Primary Part Number | 5901733 ITEM 1L1 |
| Item Name | Mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 5901733 ITEM 1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2080-189L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 408-5901733 ITEM 1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2080-189 | 3/1 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 408-5901733 ITEM 1 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5985-01-279-1999 is a Mast, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-279-1999 has 3 manufacturer part numbers on file: 5901733 ITEM 1L1 (Naval Inventory Control Point Mechanicsburg), 2080-189L1 (Naval Inventory Control Point Mechanicsburg), 408-5901733 ITEM 1L1 (Naval Inventory Control Point Mechanicsburg).
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-279-1999 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.