The Mast Section, cataloged under National Stock Number 5985-01-345-1214, 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 Alek Industries Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-345-1214 |
| Primary Part Number | A3158074 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alek Industries Inc |
| Status | ACTIVE |
| Maximum Height | 6.000 FEET FT |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Criticality Code Justification | FEAT |
| Construction | TELESCOPIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| A3158074 | Alek Industries Inc (USA) |
| A3158074 | B & R Systemstec Inc Dba Rjr (USA) |
| D8074 | B & R Systemstec Inc Dba Rjr (USA) |
| Reference | Meaning |
|---|---|
| A3158074 | 5/9 Secondary reference Gks Inc |
| D8074 | 5/9 Secondary reference Gks Inc |
| A3158074 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-345-1214 is a Mast Section, manufactured by Alek Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-345-1214 has 3 manufacturer part numbers on file: A3158074 (Alek Industries Inc), A3158074 (B & R Systemstec Inc Dba Rjr), D8074 (B & R Systemstec Inc Dba Rjr).
Key specifications for A3158074: Maximum Height: 6.000 FEET FT; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Criticality Code Justification: FEAT; Special Features: ONE MALE COUPLING,ONE FEMALE COUPLING,ONE TUBE. 4 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 5985-01-345-1214 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.