The Waveguide Assembly, cataloged under National Stock Number 5985-01-318-8091, 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 Div Corp. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-318-8091 |
| Primary Part Number | 951431-75 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS THIRD TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FIRST TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FOURTH TUBING SEGMENT |
| Tubing Wall Construction Style | CONVOLUTE SECOND TUBING SEGMENT |
| Tubing Wall Construction Style | SEAMLESS FIFTH TUBING SEGMENT |
| Flange Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 5.690 INCHES MINIMUM AND 5.810 INCHES MAXIMUM IN |
| Flexibility | RIGID THIRD TUBING SEGMENT |
| Flexibility | FLEXIBLE SECOND TUBING SEGMENT |
| Flexibility | RIGID FIFTH TUBING SEGMENT |
| Flexibility | RIGID FOURTH TUBING SEGMENT |
| Flexibility | RIGID FIRST 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 Connecting Hole Diameter | 0.206 INCHES MINIMUM AND 0.209 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM FIRST FLANGE 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 FIRST FLANGE IN |
| Surface Treatment | CHROMATE ALL FLANGE INSIDE SURFACES |
| Surface Treatment | CHROMATE FIFTH TUBING SEGMENT ALL SURFACES |
| Surface Treatment | CHROMATE FIRST TUBING SEGMENT ALL SURFACES |
| Surface Treatment | CHROMATE FOURTH TUBING SEGMENT ALL SURFACES |
| Surface Treatment | CHROMATE THIRD TUBING SEGMENT ALL SURFACES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-318-8091 is a Waveguide Assembly, manufactured by Raytheon Company Div Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-318-8091 has 4 manufacturer part numbers on file: 951431-75 (Raytheon Company), 951431-75 (Victor Microwave, Inc), 951431-75 (Raytheon Company Div Corp), 951431-75 (Raytheon Company Dba Raytheon Co).
Key specifications for 951431-75: Tubing Wall Construction Style: SEAMLESS THIRD TUBING SEGMENT; Tubing Wall Construction Style: SEAMLESS FIRST TUBING SEGMENT; Tubing Wall Construction Style: SEAMLESS FOURTH TUBING SEGMENT; Tubing Wall Construction Style: CONVOLUTE SECOND TUBING SEGMENT. 29 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 5985-01-318-8091 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.