The Coupler,directional, cataloged under National Stock Number 5985-01-157-5547, 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 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-157-5547 |
| Primary Part Number | 5187815 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Power Loss in Decibels | 54.0 |
| Design Type | BIDIRECTIONAL |
| Criticality Code Justification | FEAT |
| Unit Type | WAVEGUIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 0098-LL-TJ2-2418 | Naval Sea Systems Command (USA) |
| P8075B | Maury Microwave, Inc. Dba Maury Microwave (USA) |
| 5187815 | Raytheon Company (USA) |
| 225343 | Microtech Inc Dba Microtech Inc (USA) |
| 5187815 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| P8075A | 5/9 Secondary reference Maury Microwave, Inc. Dba Maury Microwave |
| 5187815 | 5/9 Secondary reference Astro Microwave Inc |
| 5985PL1264045 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-157-5547 is a Coupler,directional, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-157-5547 has 5 manufacturer part numbers on file: 0098-LL-TJ2-2418 (Naval Sea Systems Command), P8075B (Maury Microwave, Inc. Dba Maury Microwave), 5187815 (Raytheon Company), 225343 (Microtech Inc Dba Microtech Inc), 5187815 (Naval Sea Systems Command).
Key specifications for 5187815: Overall Height: 1.050 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Power Loss in Decibels: 54.0; Design Type: BIDIRECTIONAL. 5 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 5985-01-157-5547 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.