The Flange,waveguide, cataloged under National Stock Number 5985-01-231-7020, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-231-7020 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Height | 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Height | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.150 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.620 INCHES MINIMUM AND 0.628 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Depth | 0.188 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM SINGLE FLANGE IN |
| Surface Treatment | CHROMATE SINGLE FLANGE ALL SURFACES |
| 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 |
|---|---|
| 605311-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-231-7020 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-231-7020: Flange Inside Height: 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM SINGLE FLANGE IN; Flange Outside Height: 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.150 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN; Flange Inside Width: 0.620 INCHES MINIMUM AND 0.628 INCHES MAXIMUM 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.