The Waveguide Assembly, cataloged under National Stock Number 5985-01-043-4988, 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 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-043-4988 |
| Primary Part Number | 10179235 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.400 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 45.0 ALL BENDS E-PLANE |
| Style Designator | OFFSET BEND TYPE |
| Flexibility | FLEXIBLE ALL TUBING SEGMENT |
| Waveguide Inside Width | 0.900 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 | 1.594 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.173 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Center to Center Distance | 2.250 INCHES NOMINAL IN |
| Flange Inside Width | 0.900 INCHES NOMINAL ALL FLANGES IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 5.130 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 1.594 INCHES NOMINAL IN |
| Waveguide Outside Width | 2.094 INCHES NOMINAL IN |
| Flange Depth | 0.225 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 2.094 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | CHROMATE OR SILVER ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Thread Class | 2B SECOND FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY 6061 FIRST TUBING SEGMENT AND FLANGE |
| Material | BERYLLIUM OR COPPER ALLOY 172 SECOND FLANGE |
| Flange Connecting Facility and Quantity | 2 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 6 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-043-4988 is a Waveguide Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-043-4988 has 3 manufacturer part numbers on file: 10179235 (Us Army Aviation and Missile Command), TS-645522 (Microwave Engineering Corporation), 10179235 (Frontgrade Technologies Inc.).
Key specifications for 10179235: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.400 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Bend Angle in Deg: 45.0 ALL BENDS E-PLANE. 29 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 5985-01-043-4988 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.