The Adapter,waveguide, cataloged under National Stock Number 5985-01-016-1203, 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 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-016-1203 |
| Primary Part Number | 2575710 |
| Item Name | Adapter,waveguide |
| 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 SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.628 INCHES NOMINAL SECOND FLANGE IN |
| Flange Inside Height | 0.505 INCHES NOMINAL FIRST FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.04 |
| Style Designator | WAVEGUIDE TO WAVEGUIDE |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.875 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Adapter Length | 1.420 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.003 INCHES NOMINAL FIRST FLANGE IN |
| Flange Inside Width | 1.253 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Flange Depth | 0.4375 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.4375 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 1.625 INCHES NOMINAL FIRST FLANGE IN |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Material | METAL ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER 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 |
NSN 5985-01-016-1203 is a Adapter,waveguide, 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 5985-01-016-1203 has 2 manufacturer part numbers on file: 10-28724 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 2575710 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2575710: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.628 INCHES NOMINAL SECOND FLANGE IN; Flange Inside Height: 0.505 INCHES NOMINAL FIRST FLANGE 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 5985-01-016-1203 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.