The Coupler,directional, cataloged under National Stock Number 5985-01-279-9516, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-279-9516 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Power Loss in Decibels | 0.9 |
| Design Type | UNIDIRECTIONAL |
| Supplementary Features | PRIMED AT SA-ALC,BUT ASSETS AT AGMC.NAFB,OH/POINT OF CONTACT IS AGMC/MLRE,WARREN MAY,AV580-7798 |
| Radio Frequency Rating | 0.5 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 5150-1006 | 5/9 Secondary reference Marconi Avionics Ltd |
| 4226-20 | 3/2 Design control — primary reference U.S. Government activity |
| 5150-1006 | 5/9 Secondary reference Leonardo Mw Ltd |
| 5150-1006 | 5/9 Secondary reference Leonardo Uk Ltd |
NSN 5985-01-279-9516 is a Coupler,directional, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-587-6045, 6625-01-616-9611. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-279-9516: Power Loss in Decibels: 0.9; Design Type: UNIDIRECTIONAL; Supplementary Features: PRIMED AT SA-ALC,BUT ASSETS AT AGMC.NAFB,OH/POINT OF CONTACT IS AGMC/MLRE,WARREN MAY,AV580-7798; Radio Frequency Rating: 0.5 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM. 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.
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.