The Coupler,directional, cataloged under National Stock Number 5985-00-430-8085, 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 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-430-8085 |
| Primary Part Number | 2143968-1 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Power Loss in Decibels | 20.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 9.0 GIGAHERTZ MINIMUM AND 10.5 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 |
|---|---|
| 2143968-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| Reference | Meaning |
|---|---|
| 23901 | 5/2 Secondary reference U.S. Government activity |
| 2143968-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5985-00-430-8085 is a Coupler,directional, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-430-8085 has 1 manufacturer part number on file: 2143968-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div).
4 possible matches (shared part number, not a government interchangeability claim): 9540-00-627-5868, 6625-00-695-9350, 3415-01-384-0100. Verify interchangeability with system specifications before substitution.
Key specifications for 2143968-1: Overall Height: 1.430 INCHES NOMINAL IN; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Power Loss in Decibels: 20.0; 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.
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.