The Coupler,directional, cataloged under National Stock Number 5985-00-135-4053, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5985-00-135-4053 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | NARDA MICROWAVE CORP |
| Unpackaged Unit Weight | 1.500 POUNDS NOMINAL LBS |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 30.0 |
| Identifying Number | TERMINAL FITTING TYPE N |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 3.7 GIGAHERTZ MINIMUM AND 8.3 GIGAHERTZ MAXIMUM |
| Unit Type | TRANSMISSION LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3044-30 | 5/2 Secondary reference U.S. Government activity |
| 3044B30 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-135-4053 is a Coupler,directional, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2810-00-510-4952. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-135-4053: Overall Height: 0.875 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: NARDA MICROWAVE CORP; Unpackaged Unit Weight: 1.500 POUNDS NOMINAL LBS; Usage Design: MAIN LINE TERMINAL FITTING. 8 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.
NSN 5985-00-135-4053 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.