The Seal,waveguide, cataloged under National Stock Number 5985-00-498-4388, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-498-4388 |
| Primary Part Number | 2681442 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Seal Thickness | 0.131 INCHES NOMINAL IN |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND FLANGE |
| Seal Outside Height | 1.625 INCHES NOMINAL IN |
| Seal Outside Width | 1.625 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE ALL SEAL ALL SURFACES |
| Seal Inside Height | 0.400 INCHES NOMINAL IN |
| Material | RUBBER SILICONE FIRST SEAL |
| Material | STEEL COMP 302 SECOND SEAL |
| Seal Inside Width | 0.900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2681442 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| CA1392-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-498-4388 is a Seal,waveguide, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-498-4388 has 1 manufacturer part number on file: 2681442 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-008-9098. Verify interchangeability with system specifications before substitution.
Key specifications for 2681442: Seal Thickness: 0.131 INCHES NOMINAL IN; Style Designator: FOR RECTANGULAR WAVEGUIDE AND FLANGE; Seal Outside Height: 1.625 INCHES NOMINAL IN; Seal Outside Width: 1.625 INCHES NOMINAL IN. 9 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 5985-00-498-4388 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.