The Coupler,directional, cataloged under National Stock Number 5985-01-262-5915, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-262-5915 |
| Primary Part Number | 4164-20 |
| 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 | 20.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 2.0 GIGAHERTZ MINIMUM AND 4.2 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| 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 |
|---|---|
| 4164-20 PRIMARY | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| 47A529806P4 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Aerostructures |
NSN 5985-01-262-5915 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 5985-01-262-5915 has 1 manufacturer part number on file: 4164-20 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
Key specifications for 4164-20: Overall Height: 0.500 INCHES NOMINAL IN; Power Loss in Decibels: 20.0; Design Type: BIDIRECTIONAL; Radio Frequency Rating: 2.0 GIGAHERTZ MINIMUM AND 4.2 GIGAHERTZ MAXIMUM. 4 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.