The Seal,waveguide, cataloged under National Stock Number 5985-01-243-0840, 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 Microwave Engineering Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-243-0840 |
| Primary Part Number | 3452375-1 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Seal Thickness | 0.150 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 | NICKEL SINGLE SEAL OUTSIDE SURFACES |
| Seal Inside Height | 0.505 INCHES NOMINAL IN |
| Material | NICKEL ALLOY SINGLE SEAL |
| Seal Inside Width | 1.005 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3452375-1 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| MA14090QT | 5/9 Secondary reference U.S. Government activity |
| 3452375-1 | 3/9 Design control — primary reference U.S. Government activity |
| 3452375-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 3452375-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-01-243-0840 is a Seal,waveguide, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-243-0840 has 1 manufacturer part number on file: 3452375-1 (Microwave Engineering Corporation).
Key specifications for 3452375-1: Seal Thickness: 0.150 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. 8 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 5985-01-243-0840 has DEMIL Code B. 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.