The Flange,waveguide, cataloged under National Stock Number 5985-01-045-7730, 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14 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5985-01-045-7730 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | CANCELLED |
| Flange Inside Height | 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Inside Diameter | 1.352 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Inside Width | 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Specification/standard Data | 81349-MIL-F-3922/59 GOVERNMENT SPECIFICATION |
| Flange Depth | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Class | 2B SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| UG137BU | 5/9 Secondary reference U.S. Government activity |
| M3922/59-009 | 2/2 Government specification standardization U.S. Government activity |
| MILF3922-59 | 5/9 Secondary reference U.S. Government activity |
| M3922-59-9 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-3922/59 | 4/1 Identification reference U.S. Government activity |
NSN 5985-01-045-7730 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: cancelled.
3 possible matches (shared part number, not a government interchangeability claim): 5985-01-048-7934, 5985-01-193-8418, 5985-01-586-2424. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-045-7730: Flange Inside Height: 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SINGLE FLANGE IN; Flange Inside Diameter: 1.352 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN; Flange Inside Width: 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SINGLE FLANGE IN. 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 5985-01-045-7730 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
NSN 5985-01-045-7730 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.