The Plate,antenna Mast, cataloged under National Stock Number 5985-01-218-5530, 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 Sea Systems Command. Government technical data includes 8 specifications, 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 | 5985-01-218-5530 |
| Primary Part Number | 5335992 |
| Item Name | Plate,antenna Mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Quantity | 4 |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.221 INCHES NOMINAL IN |
| Basic Shape Style | RECTANGULAR PRISM |
| Distance Between Mounting Facility Centers | 3.200 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Surface Treatment | PAINT |
| Material | ALUMINUM ALLOY 6061 |
| Mounting Hole Type | PLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5335992 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5985-01-218-5530 is a Plate,antenna Mast, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-218-5530 has 1 manufacturer part number on file: 5335992 (Naval Sea Systems Command).
Key specifications for 5335992: Overall Height: 0.250 INCHES NOMINAL IN; Mounting Facility Quantity: 4; Mounting Method: UNTHREADED HOLE(S); Mounting Hole Diameter: 0.221 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.