The Mast Section, cataloged under National Stock Number 5985-01-345-2902, 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 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-345-2902 |
| Primary Part Number | D8090-7 |
| Item Name | Mast Section |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | B & R Systemstec Inc Dba Rjr |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Mounting Method | FRICTION |
| Criticality Code Justification | ADJH |
| Construction | TELESCOPIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| D8090-7 | B & R Systemstec Inc Dba Rjr (USA) |
| Reference | Meaning |
|---|---|
| D8090-7 | 5/9 Secondary reference Gks Inc |
| A3158118-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-345-2902 is a Mast Section, manufactured by B & R Systemstec Inc Dba Rjr, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-345-2902 has 1 manufacturer part number on file: D8090-7 (B & R Systemstec Inc Dba Rjr).
Key specifications for D8090-7: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Mounting Method: FRICTION; Criticality Code Justification: ADJH; End Item Identification: 5985-01-279-7942 ANTENNA. 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.
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.