The Flange,waveguide, cataloged under National Stock Number 5985-01-085-4586, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo S.p.a. Div Electronics. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-085-4586 |
| Primary Part Number | 319057-1 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Leonardo S.p.a. Div Electronics |
| Status | ACTIVE |
| Flange Inside Height | 0.311 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.312 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.120 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.622 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Depth | 0.320 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.312 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM ALLOY 356.0 SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 319057-1 | Leonardo S.p.a. Div Electronics (ITA) |
| Reference | Meaning |
|---|---|
| 319057-1 | 3/2 Design control — primary reference U.S. Government activity |
| 319057-1 | 5/9 Secondary reference Fiar Fabbrica Italiana Apparecchiature Radioelettriche Spa |
NSN 5985-01-085-4586 is a Flange,waveguide, manufactured by Leonardo S.p.a. Div Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-085-4586 has 1 manufacturer part number on file: 319057-1 (Leonardo S.p.a. Div Electronics).
Key specifications for 319057-1: Flange Inside Height: 0.311 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.312 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.120 INCHES NOMINAL SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Flange Inside Width: 0.622 INCHES NOMINAL SINGLE FLANGE IN. 9 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.