The Diplexer, cataloged under National Stock Number 5985-01-674-7054, 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 Aviatech Corporation Dba Aviatech Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-674-7054 |
| Primary Part Number | 21-80-31 |
| Item Name | Diplexer |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Aviatech Corporation Dba Aviatech Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-674-7054 is a Diplexer, manufactured by Aviatech Corporation Dba Aviatech Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-674-7054 has 2 manufacturer part numbers on file: 21-80-31 (Cooper Antennas Ltd), 21-80-31 (Aviatech Corporation Dba Aviatech Corp).
Key specifications for 21-80-31: Special Features: OPERATING FREQUENCIES 30-174 AND 225-512 MHZ MHz; Part Name Assigned by Controlling Agency: VHF/UHF DIPLEXER; End Item Identification: CREW COMMS MI. 0 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.
NSN 5985-01-674-7054 has DEMIL Code Q. 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.