The Waveguide Assembly, cataloged under National Stock Number 5985-01-312-0498, 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 Department of the Army Hq United States Army Communications Research and Development Command. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | Waveguide Assembly |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Department of the Army Hq United States Army Communications Research and Development Command (CAGE 56996); Mitec Microwave (CAGE 38494); Lieder Development, Inc. Dba Lieder Development Inc (CAGE 63545) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-312-0498 |
| Primary Part Number | B4031270-001 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| B4031270-001 PRIMARY | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| M1228-1 | Mitec Microwave (CAN) |
| 200103-001 | Lieder Development, Inc. Dba Lieder Development Inc (USA) |
NSN 5985-01-312-0498 is a Waveguide Assembly, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-312-0498 has 3 manufacturer part numbers on file: B4031270-001 (Department of the Army Hq United States Army Communications Research and Development Command), M1228-1 (Mitec Microwave), 200103-001 (Lieder Development, Inc. Dba Lieder Development Inc).
1 possible match (shared part number, not a government interchangeability claim): 7010-01-710-5648. 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.