The Waveguide Assembly, cataloged under National Stock Number 5985-01-057-6856, 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 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-057-6856 |
| Primary Part Number | 911912-5 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.497 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Height | 0.631 INCHES NOMINAL SECOND FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.03 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Inside Diameter | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 25.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.875 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.172 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.122 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.256 INCHES NOMINAL SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 48.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.625 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.250 INCHES NOMINAL IN |
| Flange Depth | 0.625 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.438 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 FIRST FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT |
| Material | ALUMINUM ALLOY 6061 SECOND FLANGE |
| Material | ALUMINUM FIRST FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-057-6856 is a Waveguide Assembly, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-057-6856 has 2 manufacturer part numbers on file: 911912-5 (Raytheon Company), 911912-5 (Raytheon Company Dba Raytheon Co).
Key specifications for 911912-5: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.497 INCHES NOMINAL FIRST FLANGE IN; Flange Inside Height: 0.631 INCHES NOMINAL SECOND FLANGE IN; Flange Quantity: 2. 30 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.