The Coupler,directional, cataloged under National Stock Number 5985-01-099-4643, 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 Autodyne Manufacturing Co Inc. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupler,directional |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Autodyne Manufacturing Co Inc (CAGE 05584); Triangle Tool Co (CAGE 03TF2); Sigmation Inc (CAGE 65884) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-099-4643 |
| Primary Part Number | A9534 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Autodyne Manufacturing Co 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 |
|---|---|
| A9534 | Autodyne Manufacturing Co Inc (USA) |
| SM-B-447966 | Triangle Tool Co (USA) |
| SIA-1143 | Sigmation Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-B-447966 | 5/9 Secondary reference Cobra Industries Inc |
| SM-B-447966 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-099-4643 is a Coupler,directional, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-099-4643 has 3 manufacturer part numbers on file: A9534 (Autodyne Manufacturing Co Inc), SM-B-447966 (Triangle Tool Co), SIA-1143 (Sigmation Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-137-3883. Verify interchangeability with system specifications before substitution.
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.