The Flange,waveguide, cataloged under National Stock Number 5985-00-642-8027, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-642-8027 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | RADAR |
| Flange Inside Height | 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Inside Diameter | 1.348 INCHES MINIMUM FIRST FLANGE IN |
| Flange Inside Diameter | 1.356 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Inside Width | 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.164 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Depth | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN |
| Thread Class | 2B SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Material | COPPER SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 06-42-0083 | 5/2 Secondary reference U.S. Government activity |
| 408-4678157ITEM6 | 3/2 Design control — primary reference U.S. Government activity |
| MILF3922-59-M3922-59 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 86H-003P001 | 5/9 Secondary reference Donckele Bascules |
| UG52AU | 5/1 Secondary reference U.S. Government activity |
NSN 5985-00-642-8027 is a Flange,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-642-8027: FSC Application Data: RADAR; Flange Inside Height: 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SINGLE FLANGE IN; Flange Inside Diameter: 1.348 INCHES MINIMUM FIRST FLANGE IN; Flange Inside Diameter: 1.356 INCHES MAXIMUM SECOND FLANGE IN. 15 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 5985-00-642-8027 has DEMIL Code Q. 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.