The Waveguide Assembly, cataloged under National Stock Number 5985-00-177-7134, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-177-7134 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 3 |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 5.420 INCHES MINIMUM AND 5.460 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 6.495 INCHES MINIMUM AND 6.505 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 8.670 INCHES MINIMUM AND 8.710 INCHES MAXIMUM FIRST FLANGE IN |
| Surface Treatment | CHROMATE AND ENAMEL AND PRIMER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE FIRST FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 654447-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-177-7134 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5995-01-271-4545. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-177-7134: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 3. 13 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.
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.