The Coupler,directional, cataloged under National Stock Number 5985-01-430-5025, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-430-5025 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | M39922/59-008 |
| Radio Frequency Rating | 99.0 GIGAHERTZ MINIMUM AND 141.0 GIGAHERTZ MAXIMUM |
| 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 |
|---|---|
| 587R428H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-430-5025 is a Coupler,directional, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-430-5025: Terminal Fitting Controlling Agency: M39922/59-008; Radio Frequency Rating: 99.0 GIGAHERTZ MINIMUM AND 141.0 GIGAHERTZ MAXIMUM; Unit Type: WAVEGUIDE; Special Features: MICROWAVE; INTEGRAL ELECTRONIC DRIVER; POWER SUPPLY, 28VDC NOMINAL; INSERTION LOSS, 0.20DB MAX. IN COUPLED STATE AND 0.75DB IN UNCOUPLED STATE; COUPLING, POWER OUTPUT, PORT 4, -12DB P/M0.5DB DOWN FROM PORT 1 IN COUPLING STATE; POWER OUTPUT, PORT 3, -15DB P/M0.5DB DOWN FROM PORT 1 IN COUPLING STATE;COUPLING FLATNESS P/M 0.5DB; ISOLATION, BETWEEN PORT 1 AND PORTS 3 AND 4, 35DB MIN. IN COUPLING STATE; DIRECTIVITY, -15DB MIN.; SWITCHING TIME, 60 MICROSECONDS MAX.; SHOCK, VIBRATION, FUNGUS RESISTANT; OPERATING LIFE, 200,000 MIN. VDC. 3 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 5985-01-430-5025 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.