The Seal,waveguide, cataloged under National Stock Number 5985-01-436-5331, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-436-5331 |
| Primary Part Number | 253402-1 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Seal Thickness | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR SOLID SEAL |
| Seal Outside Height | 1.490 INCHES NOMINAL IN |
| Seal Outside Width | 1.990 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 |
|---|---|
| 253402-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5985-01-436-5331 is a Seal,waveguide, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-436-5331 has 1 manufacturer part number on file: 253402-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 253402-1: Seal Thickness: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN; Style Designator: RECTANGULAR SOLID SEAL; Seal Outside Height: 1.490 INCHES NOMINAL IN; Seal Outside Width: 1.990 INCHES NOMINAL IN. 4 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.