The Mast Section, cataloged under National Stock Number 5985-01-345-1215, 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 B & R Systemstec Inc Dba Rjr. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-345-1215 |
| Primary Part Number | A3158073 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | B & R Systemstec Inc Dba Rjr |
| Status | ACTIVE |
| Maximum Height | 6.000 FEET FT |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Criticality Code Justification | MARK |
| Special Markings | TO ERECT LIFT TOP TUBE-TWIST LOWER TUBE CCW UNTIL STOP-PUSH TOP TUBE DOWN TO SET AND LOCK |
| Construction | TELESCOPIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| A3158073 | B & R Systemstec Inc Dba Rjr (USA) |
| D8073 | B & R Systemstec Inc Dba Rjr (USA) |
| Reference | Meaning |
|---|---|
| A3158073 | 3/2 Design control — primary reference U.S. Government activity |
| A3158073 | 5/9 Secondary reference Gks Inc |
| D8073 | 5/9 Secondary reference Gks Inc |
NSN 5985-01-345-1215 is a Mast Section, manufactured by B & R Systemstec Inc Dba Rjr, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-345-1215 has 2 manufacturer part numbers on file: A3158073 (B & R Systemstec Inc Dba Rjr), D8073 (B & R Systemstec Inc Dba Rjr).
Key specifications for A3158073: Maximum Height: 6.000 FEET FT; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Criticality Code Justification: MARK; End Item Identification: 5985-01-279-7942 ANTENNA GROUP. 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.
NSN 5985-01-345-1215 has DEMIL Code B. 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.