The Adapter,waveguide, cataloged under National Stock Number 5985-01-033-0558, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-033-0558 |
| Item Name | Adapter,waveguide |
| 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 Quantity | 2 |
| Precious Material | GOLD |
| Style Designator | WAVEGUIDE TO WAVEGUIDE |
| Waveguide Inside Width | 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Adapter Length | 1.611 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Surface Treatment | GOLD ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES GOLD |
| Waveguide Inside Height | 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| 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 |
|---|---|
| 126291 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-033-0558 is a Adapter,waveguide, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1680-01-160-3749, 6680-01-326-8911. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-033-0558: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Precious Material: GOLD. 14 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.