The Coupler,directional, cataloged under National Stock Number 5985-01-085-8513, 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 Marc Alan Group the, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-085-8513 |
| Primary Part Number | D1494142-4 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Marc Alan Group the, Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT |
| Terminal Fitting Controlling Agency | WESTINGHOUSE ELEECTRIC CO |
| Unpackaged Unit Weight | 0.500 POUNDS NOMINAL LBS |
| Usage Design | MAIN LINE TERMINAL FITTING |
| Power Loss in Decibels | 6.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Usage Design | AIRBORN RADAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D1494142-4 | Marc Alan Group the, Inc (USA) |
| 581R954H04 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 2020-6608-31 | 5/9 Secondary reference U.S. Government activity |
| 581R954H04 | 3/2 Design control — primary reference U.S. Government activity |
| 24278 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-085-8513 is a Coupler,directional, manufactured by Marc Alan Group the, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-085-8513 has 2 manufacturer part numbers on file: D1494142-4 (Marc Alan Group the, Inc), 581R954H04 (Microtech Inc Dba Microtech Inc).
Key specifications for D1494142-4: Overall Height: 0.380 INCHES NOMINAL IN; FSC Application Data: ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT; Terminal Fitting Controlling Agency: WESTINGHOUSE ELEECTRIC CO; Unpackaged Unit Weight: 0.500 POUNDS NOMINAL LBS. 9 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 5985-01-085-8513 has DEMIL Code D. 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.