The Coupler,directional, cataloged under National Stock Number 5985-01-423-1045, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-423-1045 |
| Primary Part Number | AW2889 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Power Loss in Decibels | 50.0 |
| Design Type | UNIDIRECTIONAL |
| Radio Frequency Rating | 7.9 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM |
| Specification/standard Data | 80063-A3187918 GOVERNMENT SPECIFICATION |
| Unit Type | COAXIAL LINE AND WAVEGUIDE |
| 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 |
|---|---|
| AW2889 PRIMARY | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| 1061644 PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| A3187918-005 | 7/2 Vendor item drawing reference U.S. Government activity |
| N171A-1297 | C/1 Advisory reference — outside the item-of-supply concept Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
| N171A-1279 | 5/9 Secondary reference Lexan Industries, Inc Dba Struthers Electronics Div Struthers Electronics |
NSN 5985-01-423-1045 is a Coupler,directional, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-423-1045 has 2 manufacturer part numbers on file: AW2889 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc), 1061644 (Frontgrade Technologies Inc.).
Key specifications for AW2889: Overall Height: 2.720 INCHES NOMINAL IN; Power Loss in Decibels: 50.0; Design Type: UNIDIRECTIONAL; Radio Frequency Rating: 7.9 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM. 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 5985-01-423-1045 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.