The Seal,waveguide, cataloged under National Stock Number 5985-00-179-0601, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keddeg Company Div Keggeg Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-179-0601 |
| Primary Part Number | 55675-187 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keddeg Company Div Keggeg Company |
| Status | ACTIVE |
| Seal Thickness | 0.620 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Seal Outside Diameter | 3.625 INCHES NOMINAL IN |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND ROUND FLANGE |
| Seal Inside Height | 0.872 INCHES NOMINAL IN |
| Material | COPPER ALLOY SINGLE SEAL |
| Seal Inside Width | 1.872 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 55675-187 | Keddeg Company Div Keggeg Company (USA) |
| Reference | Meaning |
|---|---|
| 55675-187 | 5/9 Secondary reference U.S. Government activity |
| 55675-187 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-179-0601 is a Seal,waveguide, manufactured by Keddeg Company Div Keggeg Company, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-179-0601 has 1 manufacturer part number on file: 55675-187 (Keddeg Company Div Keggeg Company).
Key specifications for 55675-187: Seal Thickness: 0.620 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Seal Outside Diameter: 3.625 INCHES NOMINAL IN; Style Designator: FOR RECTANGULAR WAVEGUIDE AND ROUND FLANGE; Seal Inside Height: 0.872 INCHES NOMINAL IN. 6 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.