The Flange,waveguide, cataloged under National Stock Number 5985-01-159-0831, 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 Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc. Government technical data includes 12 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 | 5985-01-159-0831 |
| Primary Part Number | F62ABC |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| Status | ACTIVE |
| Flange Inside Height | 0.311 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.312 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Inside Width | 0.622 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.138 INCHES SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Depth | 0.375 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.312 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Class | 2B SINGLE FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| F62ABC PRIMARY | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
NSN 5985-01-159-0831 is a Flange,waveguide, manufactured by Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-159-0831 has 1 manufacturer part number on file: F62ABC (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
Key specifications for F62ABC: Flange Inside Height: 0.311 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.312 INCHES NOMINAL SINGLE FLANGE IN; Flange Inside Width: 0.622 INCHES NOMINAL SINGLE FLANGE IN; Thread Direction: RIGHT-HAND SINGLE FLANGE ALL CONNECTION FACILITIES. 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.
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.