The Flange,waveguide, cataloged under National Stock Number 5985-01-182-1705, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-182-1705 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Height | 0.400 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.625 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.900 INCHES NOMINAL SINGLE FLANGE IN |
| Specification/standard Data | 81349-MIL-F-3922/54 GOVERNMENT SPECIFICATION |
| Flange Depth | 0.438 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE 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 |
|---|---|
| M3922/54-014 | 2/2 Government specification standardization U.S. Government activity |
| MIL-F-3922/54 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-3922/54 | 4/1 Identification reference U.S. Government activity |
NSN 5985-01-182-1705 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-354-7271. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-182-1705: Flange Inside Height: 0.400 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.625 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.169 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN; Flange Inside Width: 0.900 INCHES NOMINAL SINGLE FLANGE IN. 10 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.