The Waveguide Assembly, cataloged under National Stock Number 5985-01-318-4459, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-318-4459 |
| Primary Part Number | 951431-73 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| FSC Application Data | COMMUNICATIONS EQUIPMENT |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM IN |
| Flexibility | RIGID ALL 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 |
| 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 |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-318-4459 is a Waveguide Assembly, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-318-4459 has 2 manufacturer part numbers on file: 951431-73 (Raytheon Company), 951431-73 (Raytheon Company Dba Raytheon Co).
Key specifications for 951431-73: FSC Application Data: COMMUNICATIONS EQUIPMENT; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.10; Style Designator: BEND TYPE. 16 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.