The Plate,antenna Mast, cataloged under National Stock Number 5985-01-142-7900, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-142-7900 |
| Item Name | Plate,antenna Mast |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Mounting Method | THREADED HOLE(S) |
| Basic Shape Style | IRREGULAR |
| Distance Between Mounting Facility Centers | 6.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Class | 2B |
| Material | PLASTIC ALKYD AND PLASTIC MELAMINE |
| Thread Size and Series/type Designator | 3/8-16 UNIFIED NATIONAL COARSE (UNC) |
| Mounting Hole Type | COUNTERSUNK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 128-4677500 ITEM 10 | 3/2 Design control — primary reference U.S. Government activity |
| 56-10-4086 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-142-7900 is a Plate,antenna Mast, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-150-8797, 5985-01-151-1295. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-142-7900: Overall Height: 0.940 INCHES NOMINAL IN; Mounting Facility Quantity: 2; Mounting Method: THREADED HOLE(S); Overall Length: 8.950 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.