The Waveguide Assembly, cataloged under National Stock Number 5985-01-209-5645, 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 Naval Sea Systems Command. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-209-5645 |
| Primary Part Number | 5189934 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.470 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM 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 | 0.782 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 1.407 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN |
| Waveguide Outside Height | 0.782 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.470 INCHES NOMINAL IN |
| Flange Depth | 0.128 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| 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 5985-01-209-5645 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-209-5645 has 2 manufacturer part numbers on file: 5189934 (Naval Sea Systems Command), 5189934 (Raytheon Company).
Key specifications for 5189934: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.470 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.10. 19 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 5985-01-209-5645 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.