The Waveguide Assembly, cataloged under National Stock Number 5985-00-264-8931, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-264-8931 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | COMMUNICATION SYSTEMS |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.194 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Width | 0.750 INCHES NOMINAL IN |
| Waveguide Height | 1.500 INCHES NOMINAL IN |
| Flange Quantity | 3 |
| Style Designator | TEE, SHUNT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.223 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.750 INCHES NOMINAL FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.116 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.116 INCHES NOMINAL THIRD FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Connecting Hole Diameter | 0.120 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.223 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Length | 2.938 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.302 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Flange Depth | 0.250 INCHES NOMINAL FIRST FLANGE IN |
| Flange Depth | 0.250 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.250 INCHES NOMINAL THIRD FLANGE IN |
| Flange Outside Width | 0.750 INCHES NOMINAL SECOND FLANGE IN |
| Waveguide Inside Height | 0.111 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| Material | SILVER ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) THIRD FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE THIRD FLANGE |
| 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 |
| Reference | Meaning |
|---|---|
| SMD748724 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-264-8931 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-264-8931: FSC Application Data: COMMUNICATION SYSTEMS; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.194 INCHES NOMINAL SECOND FLANGE IN; Waveguide Width: 0.750 INCHES NOMINAL IN. 30 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 5985-00-264-8931 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.