The Mast Section, cataloged under National Stock Number 5985-01-068-3989, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-068-3989 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Top Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Mounting Method | SCREW |
| Base Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Nested Height | 6.870 INCHES IN |
| Material | ALUMINUM ALLOY |
| Usage Design | ANTENNA SET GROUP |
| Construction | ONE-PIECE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7729811-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-068-3989 is a Mast Section, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-068-3989: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Top Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Mounting Method: SCREW; Base Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN. 9 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.
NSN 5985-01-068-3989 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.