The Mast Section, cataloged under National Stock Number 5985-01-030-2027, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-030-2027 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Base Width | 3.750 INCHES NOMINAL IN |
| Base Diameter | 1.625 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Material | COPPER ALLOY |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 110324 | 3/9 Design control — primary reference Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc. |
NSN 5985-01-030-2027 is a Mast Section, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 7025-01-505-9389, 5985-01-528-0795, 5340-01-607-5870. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-030-2027: Base Width: 3.750 INCHES NOMINAL IN; Base Diameter: 1.625 INCHES NOMINAL IN; Surface Treatment: CADMIUM; Material: COPPER ALLOY. 5 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.