The Flange,waveguide, cataloged under National Stock Number 5985-01-107-4994, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-107-4994 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Flange Inside Diameter | 3.027 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.406 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Specification/standard Data | 81349-MIL-F-24044/1 GOVERNMENT SPECIFICATION |
| Flange Depth | 0.873 INCHES NOMINAL SINGLE FLANGE IN |
| Material | COPPER ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 6 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Outside Diameter | 5.187 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Style | CHOKE 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-F-24044 | 5/9 Secondary reference U.S. Government activity |
| M-24044/1-09C | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-24044/1 | 4/1 Identification reference U.S. Government activity |
NSN 5985-01-107-4994 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5985-01-273-6768. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-107-4994: Flange Inside Diameter: 3.027 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.406 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Specification/standard Data: 81349-MIL-F-24044/1 GOVERNMENT SPECIFICATION; Flange Depth: 0.873 INCHES NOMINAL SINGLE FLANGE IN. 8 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 5985-01-107-4994 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.