The Waveguide Assembly, cataloged under National Stock Number 5985-00-034-4004, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-034-4004 |
| Primary Part Number | 2516844 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS FIRST TUBING SEGMENT |
| Tubing Wall Construction Style | LAMINATED SECOND TUBING SEGMENT |
| Flange Inside Height | 0.505 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.400 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Inside Diameter | 1.030 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.900 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.005 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Length | 4.375 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.600 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.100 INCHES NOMINAL IN |
| Flange Depth | 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.443 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| 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 |
|---|---|
| 2516844 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5985-00-034-4004 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-034-4004 has 1 manufacturer part number on file: 2516844 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2516844: Tubing Wall Construction Style: SEAMLESS FIRST TUBING SEGMENT; Tubing Wall Construction Style: LAMINATED SECOND TUBING SEGMENT; Flange Inside Height: 0.505 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.400 INCHES NOMINAL FIRST FLANGE IN. 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 5985-00-034-4004 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.