The Coupler,directional, cataloged under National Stock Number 5985-01-666-5490, 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 Technical Research and Manufacturing, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupler,directional |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Technical Research and Manufacturing, Inc. (CAGE 50021) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-666-5490 |
| Primary Part Number | DCS 1547-2 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Technical Research and Manufacturing, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| DCS 1547-2 PRIMARY | Technical Research and Manufacturing, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 561R805H06 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-666-5490 is a Coupler,directional, manufactured by Technical Research and Manufacturing, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-666-5490 has 1 manufacturer part number on file: DCS 1547-2 (Technical Research and Manufacturing, Inc.).
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.