The Flange,waveguide, cataloged under National Stock Number 5985-01-135-3944, 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 Us Army Aviation and Missile Command. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-135-3944 |
| Primary Part Number | 11571071 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | WAVEGUIDEWAVEGUIDE |
| Flange Inside Height | 0.397 INCHES MINIMUM AND 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM SINGLE FLANGE0.403 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM SINGLE FLANGE1.630 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.174 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES0.174 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.897 INCHES MINIMUM AND 0.897 INCHES MINIMUM AND 0.903 INCHES MAXIMUM SINGLE FLANGE0.903 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Depth | 0.206 INCHES MINIMUM AND 0.206 INCHES MINIMUM AND 0.216 INCHES MAXIMUM SINGLE FLANGE0.216 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM SINGLE FLANGE1.630 INCHES MAXIMUM SINGLE FLANGE IN |
| Surface Treatment | CHROMATE AND CHROMATE AND PRIMER SINGLE FLANGE OUTSIDE SURFACESPRIMER SINGLE FLANGE OUTSIDE SURFACES |
| Material | COPPER ALLOY 360 SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE FLANGECOVER 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 |
| Part Number | Manufacturer |
|---|---|
| 11571071 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5985-01-135-3944 is a Flange,waveguide, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-135-3944 has 1 manufacturer part number on file: 11571071 (Us Army Aviation and Missile Command).
Key specifications for 11571071: FSC Application Data: WAVEGUIDEWAVEGUIDE; Flange Inside Height: 0.397 INCHES MINIMUM AND 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM SINGLE FLANGE0.403 INCHES MAXIMUM SINGLE FLANGE IN; Flange Outside Height: 1.610 INCHES MINIMUM AND 1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM SINGLE FLANGE1.630 INCHES MAXIMUM SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.168 INCHES MINIMUM AND 0.168 INCHES MINIMUM AND 0.174 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES0.174 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN. 11 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 5985-01-135-3944 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.