The Flange,waveguide, cataloged under National Stock Number 5985-01-307-0811, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-307-0811 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | WAVEGUIDE |
| Flange Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Height | 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.257 INCHES MINIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM SINGLE FLANGE IN |
| Specification/standard Data | 81349-MIL-F-3922/52 GOVERNMENT SPECIFICATION |
| Flange Depth | 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM SINGLE FLANGE IN |
| Material | COPPER ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT 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-DTL-3922/52 | 4/1 Identification reference U.S. Government activity |
| MIL-F-3922B | 5/9 Secondary reference U.S. Government activity |
| M3922/52-035 | 2/2 Government specification standardization U.S. Government activity |
NSN 5985-01-307-0811 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5985-01-362-2937, 5985-01-376-8888, 5985-01-443-9704. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-307-0811: FSC Application Data: WAVEGUIDE; Flange Inside Height: 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM SINGLE FLANGE IN; Flange Outside Height: 2.480 INCHES MINIMUM AND 2.520 INCHES MAXIMUM SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.257 INCHES MINIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN. 11 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 5985-01-307-0811 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.