The Coupler,directional, cataloged under National Stock Number 5985-01-038-6923, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-038-6923 |
| Primary Part Number | 565915 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | MILITARY SPECIFICATION |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Power Loss in Decibels | 37.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 5.37 GIGAHERTZ MINIMUM AND 5.73 GIGAHERTZ MAXIMUM |
| Unit Type | WAVEGUIDE |
| 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 |
|---|---|
| 1451-A-02 | Axillon Aerospace (baltimore) Inc. (USA) |
| 565915 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 10-36593-1 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 10076 | Marc Alan Group the, Inc (USA) |
| Reference | Meaning |
|---|---|
| MA 54316 | 5/9 Secondary reference U.S. Government activity |
| 1451-A-02 | 5/9 Secondary reference Atlantic Microwave Corporation Div Cobham Electronic Systems |
NSN 5985-01-038-6923 is a Coupler,directional, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-038-6923 has 4 manufacturer part numbers on file: 1451-A-02 (Axillon Aerospace (baltimore) Inc.), 565915 (Lockheed Martin Corporation Div Rms - Mitchel Field), 10-36593-1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 10076 (Marc Alan Group the, Inc).
Key specifications for 565915: Overall Height: 6.000 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: MILITARY SPECIFICATION; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Power Loss in Decibels: 37.0. 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.