The Coupler,directional, cataloged under National Stock Number 5985-01-252-6122, 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 Caes Mission Systems Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Coupler,directional |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Caes Mission Systems Llc (CAGE 32187) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-252-6122 |
| Primary Part Number | MD-80X91 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MD-80X91 | Caes Mission Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 3451861-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-252-6122 is a Coupler,directional, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-252-6122 has 1 manufacturer part number on file: MD-80X91 (Caes Mission Systems Llc).
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 5985-01-252-6122 has DEMIL Code B. 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.