The Flange,waveguide, cataloged under National Stock Number 5985-01-182-1703, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-182-1703 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Height | 0.497 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.875 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Inside Width | 1.122 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Specification/standard Data | 81349-MIL-F-3922/54 GOVERNMENT SPECIFICATION |
| Flange Depth | 0.625 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Class | 2B SINGLE FLANGE ALL CONNECTION FACILITIES |
| Thread Quantity Per Inch | 32 SINGLE FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-F-3922/54 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-3922/54 | 4/1 Identification reference U.S. Government activity |
| M3922/54-006 | 2/2 Government specification standardization U.S. Government activity |
NSN 5985-01-182-1703 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-182-1705, 5985-01-354-7271. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-182-1703: Flange Inside Height: 0.497 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.875 INCHES NOMINAL SINGLE FLANGE IN; Flange Inside Width: 1.122 INCHES NOMINAL SINGLE FLANGE IN; Thread Direction: RIGHT-HAND SINGLE FLANGE ALL CONNECTION FACILITIES. 14 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 5985-01-182-1703 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.