The Coupler,directional, cataloged under National Stock Number 5985-00-494-3531, 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 Cdi Industries Inc. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupler,directional |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Crane Electronics, Inc. Dba Signal Technology Div Olektron (CAGE 0N8W8); Bird Electronic Corporation Div Bird Electronic Corp (CAGE 70998); Cdi Industries Inc (CAGE 32186); L3harris Technologies, Inc. Dba Harris Corporation (CAGE 31550) |
| Parameter | Value |
|---|---|
| NSN | 5985-00-494-3531 |
| Primary Part Number | 3022 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Cdi Industries Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| T-DD4-12 | Crane Electronics, Inc. Dba Signal Technology Div Olektron (USA) |
| 4167W | Bird Electronic Corporation Div Bird Electronic Corp (USA) |
| 3022 PRIMARY | Cdi Industries Inc (USA) |
| 509146-12 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| T-DD4-12 | 5/9 Secondary reference Signal Technology Corporation Div Systems Operation |
| 509146-12 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-494-3531 is a Coupler,directional, manufactured by Cdi Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-494-3531 has 4 manufacturer part numbers on file: T-DD4-12 (Crane Electronics, Inc. Dba Signal Technology Div Olektron), 4167W (Bird Electronic Corporation Div Bird Electronic Corp), 3022 (Cdi Industries Inc), 509146-12 (L3harris Technologies, Inc. Dba Harris Corporation).
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 5985-00-494-3531 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.