The Waveguide Assembly, cataloged under National Stock Number 5985-01-040-4889, 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 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-040-4889 |
| Primary Part Number | 911973-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Center to Center Distance | 9.380 INCHES NOMINAL IN |
| Waveguide Length | 31.380 INCHES NOMINAL IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 911973-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 911973-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-01-040-4889 is a Waveguide Assembly, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-040-4889 has 1 manufacturer part number on file: 911973-1 (Raytheon Company Dba Raytheon Co).
Key specifications for 911973-1: Flange Quantity: 2; Voltage Standing Wave Ratio: 1.05; Style Designator: OFFSET BEND TYPE; Flexibility: RIGID ALL TUBING SEGMENT. 9 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.