The Waveguide Assembly, cataloged under National Stock Number 5985-01-318-6664, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-318-6664 |
| Primary Part Number | 951431-84 |
| 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. |
| Flange Quantity | 3 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Supplementary Features | 1.620 IN. LG RIGID WAVEGUIDE; POWER LEVELS UP TO 3 KW IN |
| Bend Angle in Deg | 90.0 SINGLE BEND H-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 7.870 INCHES NOMINAL IN |
| Flexibility | FLEXIBLE SECOND 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 |
| 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 | ANODIZE FIRST TUBING SEGMENT ALL SURFACES |
| Surface Treatment | COPPER OR SILVER SECOND TUBING SEGMENT INSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Waveguide Inside Height | 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN |
| Material | COPPER ALLOY SECOND TUBING SEGMENT |
| Material | ALUMINUM ALLOY 6061 FIRST TUBING SEGMENT |
| Waveguide Longer Offset Distance | 9.430 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 951431-84 | Raytheon Company (USA) |
| 951431-84 | Victor Microwave, Inc (USA) |
| 951431-84 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 951431-84 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 951431-84 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-01-318-6664 is a Waveguide Assembly, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-318-6664 has 4 manufacturer part numbers on file: 951431-84 (Raytheon Company), 951431-84 (Victor Microwave, Inc), 951431-84 (Raytheon Company Dba Raytheon Co), 951431-84 (Microtech Inc Dba Microtech Inc).
Key specifications for 951431-84: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Flange Quantity: 3; Precious Material: SILVER; Voltage Standing Wave Ratio: 1.10. 22 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 5985-01-318-6664 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.