The Waveguide Assembly, cataloged under National Stock Number 5985-01-394-5366, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-394-5366 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 2.834 INCHES MINIMUM AND 2.846 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.257 INCHES MINIMUM AND 0.262 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 2.835 INCHES MINIMUM AND 2.845 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Outside Height | 1.494 INCHES MINIMUM AND 1.506 INCHES MAXIMUM IN |
| Waveguide Outside Width | 2.994 INCHES MINIMUM AND 3.006 INCHES MAXIMUM IN |
| Flange Depth | 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 4.480 INCHES MINIMUM AND 4.520 INCHES MAXIMUM FIRST FLANGE IN |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 1.334 INCHES MINIMUM AND 1.346 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE FIRST FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 0200832-301A | 3/9 Design control — primary reference Pacific Wave Systems, Inc. |
| 1211413-301 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1211413-301 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
NSN 5985-01-394-5366 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-448-9071. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-394-5366: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 2; Flexibility: RIGID SINGLE TUBING SEGMENT. 18 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.
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.