The Waveguide Assembly, cataloged under National Stock Number 5985-00-771-4074, 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 Alliant Techsystems Operations Llc Div Defense Electronic Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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 | 5985-00-771-4074 |
| Primary Part Number | 723543 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Alliant Techsystems Operations Llc Div Defense Electronic Systems |
| Status | ACTIVE |
| Waveguide Inside Width | 1.872 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Waveguide Outside Height | 1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.000 INCHES NOMINAL IN |
| Waveguide Inside Height | 0.872 INCHES NOMINAL IN |
| Material | COPPER ALL TUBING JACKET |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-771-4074 is a Waveguide Assembly, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-771-4074 has 2 manufacturer part numbers on file: 723543 (Alliant Techsystems Operations Llc Div Defense Electronic Systems), 723543 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 723543: Waveguide Inside Width: 1.872 INCHES NOMINAL IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Waveguide Outside Height: 1.000 INCHES NOMINAL IN; Waveguide Outside Width: 2.000 INCHES NOMINAL IN. 7 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 5985-00-771-4074 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.