The Adapter,waveguide, cataloged under National Stock Number 5985-00-798-7763, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-798-7763 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNA,RADAR SET,AIRCRAFT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Style Designator | WAVEGUIDE TO WAVEGUIDE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.453 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Height | 1.672 INCHES NOMINAL FIRST FLANGE IN |
| Adapter Length | 0.832 INCHES NOMINAL IN |
| Flange Depth | 0.150 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.203 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 2.000 INCHES NOMINAL SECOND FLANGE IN |
| Flange Outside Width | 2.312 INCHES NOMINAL FIRST FLANGE IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Flange Style | CONTACT TYPE FIRST FLANGE |
| Flange Style | CONTACT 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 |
| Reference | Meaning |
|---|---|
| 406245-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-798-7763 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2815-00-865-2046. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-798-7763: FSC Application Data: ANTENNA,RADAR SET,AIRCRAFT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Style Designator: WAVEGUIDE TO WAVEGUIDE. 15 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 5985-00-798-7763 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.