The Coupler,directional, cataloged under National Stock Number 5985-01-135-2138, 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 Naval Sea Systems Command. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-135-2138 |
| Primary Part Number | 5347708 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Terminal Fitting Controlling Agency | DEPARTMENT OF DEFENSE |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Identifying Number | TERMINAL FITTING PART NO. M3922/59-008; PART NO. M3922/53-003 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 10.25 GIGAHERTZ MINIMUM AND 10.50 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 |
|---|---|
| 5347708 | Microwave Engineering Corporation (USA) |
| 5347708 | Axillon Aerospace (baltimore) Inc. (USA) |
| 5347708 | Waveline Inc (USA) |
| 5347708 PRIMARY | Naval Sea Systems Command (USA) |
| 90CT809 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 1204901 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 5347708 | 5/9 Secondary reference Atlantic Microwave Corporation Div Cobham Electronic Systems |
| 5347708 | 5/9 Secondary reference Microlab/fxr Llc |
NSN 5985-01-135-2138 is a Coupler,directional, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-135-2138 has 5 manufacturer part numbers on file: 5347708 (Microwave Engineering Corporation), 5347708 (Axillon Aerospace (baltimore) Inc.), 5347708 (Waveline Inc), 5347708 (Naval Sea Systems Command), 90CT809 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for 5347708: Overall Height: 1.625 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: DEPARTMENT OF DEFENSE; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Identifying Number: TERMINAL FITTING PART NO. M3922/59-008; PART NO. M3922/53-003. 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.