The Flange,waveguide, cataloged under National Stock Number 5985-00-217-1179, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-217-1179 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Height | 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Height | 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.136 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.280 INCHES NOMINAL FIRST FLANGE IN |
| Nominal Thread Size | 0.138 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Depth | 0.500 INCHES NOMINAL SINGLE FLANGE IN |
| Surface Treatment | NICKEL SINGLE FLANGE ALL SURFACES |
| Material | COPPER ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 1.276 INCHES MINIMUM FIRST FLANGE IN |
| Flange Outside Diameter | 1.284 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 458027-502 | 3/9 Design control — primary reference Rca Corp Distributor and Special Products Div |
| 458027-502 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5985-00-217-1179 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-217-1179: Flange Inside Height: 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM SINGLE FLANGE IN; Flange Outside Height: 1.216 INCHES MINIMUM AND 1.224 INCHES MAXIMUM SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.136 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Flange Inside Width: 1.280 INCHES NOMINAL FIRST FLANGE IN. 12 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 5985-00-217-1179 has DEMIL Code C. 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.