The Coupler,dir, cataloged under National Stock Number 5985-01-255-4145, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupler,dir |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (CAGE 09992) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-255-4145 |
| Primary Part Number | 137-602-A-4-3-50RSF |
| Item Name | Coupler,dir |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| AW1629 | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| 137-602-A-4-3-50RSF PRIMARY | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| B4034603-001 | C/1 Advisory reference — outside the item-of-supply concept Department of the Army Hq United States Army Communications Research and Development Command |
NSN 5985-01-255-4145 is a Coupler,dir, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-255-4145 has 2 manufacturer part numbers on file: AW1629 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc), 137-602-A-4-3-50RSF (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
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 5985-01-255-4145 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.