The Coupler,directional, cataloged under National Stock Number 5985-00-140-5694, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-140-5694 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 50.0 |
| Design Type | BIDIRECTIONAL |
| Unit Type | TRANSMISSION 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 |
|---|---|
| 317N54 | 5/9 Secondary reference Microwave Instruments and Components Inc |
| LHH1109 | 5/1 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| CE25N | 5/1 Secondary reference Microlab/fxr Llc |
| 052524 | 5/9 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
| URN165C50 | 3/9 Design control — primary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
NSN 5985-00-140-5694 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): 5910-00-256-5649, 5940-00-968-3272. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-140-5694: Usage Design: MAIN LINE TERMINAL FITTING; Power Loss in Decibels: 50.0; Design Type: BIDIRECTIONAL; Overall Length: 0.400 INCHES NOMINAL IN. 4 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.