The Coupler,directional, cataloged under National Stock Number 5985-01-328-4761, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Merrimac Industries, Inc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-328-4761 |
| Primary Part Number | QHM-3-.675G |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | MERRIMAC |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 3.0 |
| Design Type | UNIDIRECTIONAL |
| Radio Frequency Rating | 0.25 GIGAHERTZ NOMINAL AND 1.0 GIGAHERTZ NOMINAL |
| Unit Type | COAXIAL LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| QHM-3-.675G PRIMARY | Merrimac Industries, Inc (USA) |
NSN 5985-01-328-4761 is a Coupler,directional, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-328-4761 has 1 manufacturer part number on file: QHM-3-.675G (Merrimac Industries, Inc).
Key specifications for QHM-3-.675G: Overall Height: 0.500 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: MERRIMAC; Usage Design: MAIN LINE TERMINAL FITTING; Power Loss in Decibels: 3.0. 6 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.