The Coupler,directional, cataloged under National Stock Number 5985-01-320-4890, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-320-4890 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Functional Description | DIRECTIONAL COUPLER; REFERENECE DATA, DC7, TI-6340.22, INSTRUCTION BOOK, 3 LEVEL WEATHER REPORTING, ARSR-3, PG 8-30 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 36028 | 3/9 Design control — primary reference Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies |
NSN 5985-01-320-4890 is a Coupler,directional, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5998-01-397-8437, 5130-01-397-9557, 4820-01-412-5515. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-320-4890: Special Features: 1.25 TO 1.35 GHZ; INSERTION LOSS 1.2 DB MAIN ARM GHz; Functional Description: DIRECTIONAL COUPLER; REFERENECE DATA, DC7, TI-6340.22, INSTRUCTION BOOK, 3 LEVEL WEATHER REPORTING, ARSR-3, PG 8-30; End Item Identification: ARSR-3, FA-9200. 1 specification is 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 5985-01-320-4890 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.