The Waveguide Assembly, cataloged under National Stock Number 5985-00-049-8669, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-049-8669 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Length | 4.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CG-1178/U | 3/2 Design control — primary reference U.S. Government activity |
| C-50021 | 5/9 Secondary reference Mutron Corp |
| B-50021 | 5/9 Secondary reference Mutron Corp |
NSN 5985-00-049-8669 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): 5930-00-925-1889. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-049-8669: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2. 20 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 5985-00-049-8669 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.