The Coupler,directional, cataloged under National Stock Number 5985-01-273-3531, 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 Air Warfare Ctr Aircraft Div. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-273-3531 |
| Primary Part Number | 17-19180-1 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Power Loss in Decibels | 24.0 |
| Design Type | BIDIRECTIONAL |
| Precious Material | SILVER |
| Radio Frequency Rating | 33.0 GIGAHERTZ MINIMUM AND 39.8 GIGAHERTZ MAXIMUM |
| Unit Type | WAVEGUIDE |
| Precious Material and Location | FLANGE FACE SURFACES SILVER |
| 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 |
|---|---|
| 17-19180-1 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
| Reference | Meaning |
|---|---|
| 17-19180-1 | 5/9 Secondary reference Textron Systems Corporation Dba Textron Systems Corp |
| 17-19180-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-273-3531 is a Coupler,directional, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-273-3531 has 1 manufacturer part number on file: 17-19180-1 (Naval Air Warfare Ctr Aircraft Div).
Key specifications for 17-19180-1: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Power Loss in Decibels: 24.0; Design Type: BIDIRECTIONAL; Precious Material: SILVER. 7 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.