The Flange,waveguide, cataloged under National Stock Number 5985-01-373-9857, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-373-9857 |
| Primary Part Number | G550792-4 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Flange Inside Height | 0.500 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Height | 1.438 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.298 INCHES MINIMUM AND 0.318 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.438 INCHES NOMINAL SINGLE FLANGE IN |
| Material | ALUMINUM ALLOY SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| 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 |
| Part Number | Manufacturer |
|---|---|
| G550792-4 | Omega Laboratories Inc (USA) |
| 232708 | Microtech Inc Dba Microtech Inc (USA) |
| G550792-4 | Raytheon Company (USA) |
| G550792-4 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| G550792-4 | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| G550792-4 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
| G550792-4 | 5/9 Secondary reference Raytheon Company Div Corp |
| G550792-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-373-9857 is a Flange,waveguide, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-373-9857 has 5 manufacturer part numbers on file: G550792-4 (Omega Laboratories Inc), 232708 (Microtech Inc Dba Microtech Inc), G550792-4 (Raytheon Company), G550792-4 (Raytheon Company Dba Raytheon Co), G550792-4 (Sonfarrel Inc.).
Key specifications for G550792-4: Flange Inside Height: 0.500 INCHES NOMINAL SINGLE FLANGE IN; Flange Outside Height: 1.438 INCHES NOMINAL SINGLE FLANGE IN; Flange Connecting Hole Diameter: 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN; Flange Inside Width: 0.298 INCHES MINIMUM AND 0.318 INCHES MAXIMUM 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 5985-01-373-9857 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.