The Waveguide Assembly, cataloged under National Stock Number 5985-00-929-2876, 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 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-929-2876 |
| Primary Part Number | 7923229 |
| 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 SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.394 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.622 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.705 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 5.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.391 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.702 INCHES NOMINAL IN |
| Flange Depth | 0.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Surface Treatment | CADMIUM ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.311 INCHES NOMINAL IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE ALL FLANGES |
| 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 |
|---|---|
| 119524 | Frontgrade Technologies Inc. (USA) |
| U3414 | Telephonics Corp/prd Instruments (USA) |
| 7923229 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| U3414 | 5/9 Secondary reference Peraton Inc |
| 119524 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-929-2876 is a Waveguide Assembly, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-929-2876 has 3 manufacturer part numbers on file: 119524 (Frontgrade Technologies Inc.), U3414 (Telephonics Corp/prd Instruments), 7923229 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 5355-01-013-7233. Verify interchangeability with system specifications before substitution.
Key specifications for 7923229: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.394 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Style Designator: STRAIGHT TYPE. 21 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.