The Flange,waveguide, cataloged under National Stock Number 5985-01-354-7271, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-354-7271 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Height | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE FOURTH CONNECTION FACILITY |
| Nominal Thread Size | 0.138 INCHES SINGLE FLANGE FOURTH CONNECTION FACILITY IN |
| Specification/standard Data | 81349-MIL-F-3922/54 GOVERNMENT SPECIFICATION |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Class | 2B SINGLE FLANGE FOURTH CONNECTION FACILITY |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE FOURTH CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE FOURTH CONNECTION FACILITY |
| Flange Style | CHOKE 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 |
|---|---|
| MIL-DTL-3922/54 | 4/1 Identification reference U.S. Government activity |
| M3922/54-010 | 2/2 Government specification standardization U.S. Government activity |
| MIL-F-3922/54 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-354-7271 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-354-7271: Flange Inside Height: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM SINGLE FLANGE IN; Flange Outside Height: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM SINGLE FLANGE IN; Flange Inside Width: 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM SINGLE FLANGE IN; Thread Direction: RIGHT-HAND SINGLE FLANGE FOURTH CONNECTION FACILITY. 13 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.