The Waveguide Assembly, cataloged under National Stock Number 5985-00-954-6495, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-954-6495 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.394 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 0.622 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.705 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 3.250 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.391 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.702 INCHES NOMINAL IN |
| Flange Outside Width | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Surface Treatment | SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Surface Treatment | PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Waveguide Inside Height | 0.311 INCHES NOMINAL 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 A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| P6286 | 5/9 Secondary reference Mcs Corporation |
| 119242 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
NSN 5985-00-954-6495 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-270-9592, 2930-01-448-5579, 2930-01-547-5601. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-954-6495: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.394 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Precious Material: SILVER. 22 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.