The Waveguide Assembly, cataloged under National Stock Number 5985-00-939-6981, 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 Us Army Aviation and Missile Command. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-939-6981 |
| Primary Part Number | 10111222 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.08 |
| Bend Angle in Deg | 90.0 SINGLE BEND E-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 3.313 INCHES MINIMUM AND 4.344 INCHES MAXIMUM IN |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.122 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 15.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.640 INCHES MINIMUM FIRST FLANGE IN |
| Flange Outside Height | 1.672 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Width | 1.117 INCHES MINIMUM AND 1.127 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Height | 0.828 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.455 INCHES NOMINAL IN |
| Flange Depth | 0.297 INCHES MINIMUM AND 0.344 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 2.265 INCHES MINIMUM AND 2.297 INCHES MAXIMUM ALL FLANGES IN |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.497 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 4.359 INCHES MINIMUM AND 4.391 INCHES MAXIMUM 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 |
|---|---|
| 10111222 | Raytheon Company (USA) |
| 10111222 | Raytheon Company Dba Raytheon Co (USA) |
| 10111222 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 10111222 | Waveline Inc (USA) |
| Reference | Meaning |
|---|---|
| 10111222 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5985-00-939-6981 is a Waveguide Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-939-6981 has 4 manufacturer part numbers on file: 10111222 (Raytheon Company), 10111222 (Raytheon Company Dba Raytheon Co), 10111222 (Us Army Aviation and Missile Command), 10111222 (Waveline Inc).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-355-5923. Verify interchangeability with system specifications before substitution.
Key specifications for 10111222: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2. 25 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 5985-00-939-6981 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.