The Waveguide Assembly, cataloged under National Stock Number 5985-01-318-6667, 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 27 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-318-6667 |
| Primary Part Number | 951431-69 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Supplementary Features | SUBJECTED TO POWER LEVELS UP TO 3 KW |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES |
| Waveguide Length | 5.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Flange Depth | 0.922 INCHES MINIMUM AND 0.953 INCHES MAXIMUM SECOND FLANGE IN |
| Surface Treatment | ANODIZE SINGLE TUBING SEGMENT ALL SURFACES |
| Waveguide Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Thread Class | 2B SECOND FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Material | ALUMINUM ALLOY SECOND FLANGE |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Outside Diameter | 3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Series Designator | UNF SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-318-6667 is a Waveguide Assembly, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-318-6667 has 3 manufacturer part numbers on file: 951431-69 (Raytheon Company Dba Raytheon Co), 951431-69 (Microtech Inc Dba Microtech Inc), 951431-69 (Raytheon Company).
Key specifications for 951431-69: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 2. 27 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 5985-01-318-6667 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.