The Coupler,directional, cataloged under National Stock Number 5985-01-274-9549, 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 Waveline 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupler,directional |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Waveline Inc (CAGE 00443); Arjay Electronics Corp (CAGE 64812) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-274-9549 |
| Primary Part Number | 574-20 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Waveline Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 574-20 PRIMARY | Waveline Inc (USA) |
| RJ-7030-20 | Arjay Electronics Corp (USA) |
| Reference | Meaning |
|---|---|
| AM-H-221-20 | 5/9 Secondary reference Astro Microwave Inc |
NSN 5985-01-274-9549 is a Coupler,directional, manufactured by Waveline Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-274-9549 has 2 manufacturer part numbers on file: 574-20 (Waveline Inc), RJ-7030-20 (Arjay Electronics Corp).
1 possible match (shared part number, not a government interchangeability claim): 5915-01-685-8857. Verify interchangeability with system specifications before substitution.
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 5985-01-274-9549 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.