The Coupler,directional, cataloged under National Stock Number 5985-01-376-4639, 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5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-376-4639 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | MILITARY SPECIFICATION |
| Identifying Number | TERMINAL FITTING UG-407/U |
| Design Type | UNIDIRECTIONAL |
| Radio Frequency Rating | 3.95 GIGAHERTZ NOMINAL AND 5.85 GIGAHERTZ NOMINAL |
| Unit Type | WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 187-1073B-40 | 3/9 Design control — primary reference Advanced Technical Materials, Inc. Dba a T M |
| 1073B-40 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-376-4639 is a Coupler,directional, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-376-4639: Overall Height: 1.250 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: MILITARY SPECIFICATION; Identifying Number: TERMINAL FITTING UG-407/U; Design Type: UNIDIRECTIONAL. 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.
NSN 5985-01-376-4639 has DEMIL Code Q. 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.