The Seal,waveguide, cataloged under National Stock Number 5985-01-294-2301, 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 Naval Sea Systems Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-294-2301 |
| Primary Part Number | 5543744-001 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | RADAR SYSTEMS |
| Seal Thickness | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND FLANGE |
| Seal Outside Height | 1.188 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Seal Outside Width | 1.188 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN |
| Seal Inside Height | 0.301 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN |
| Material | PLASTIC POLYSTYRENE SINGLE SEAL |
| Seal Inside Width | 0.612 INCHES MINIMUM AND 0.632 INCHES MAXIMUM 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 |
|---|---|
| 5543744-001 PRIMARY | Naval Sea Systems Command (USA) |
| IF622-311 | Sebago Molders, Llc (USA) |
| Reference | Meaning |
|---|---|
| 040-2-103 | 5/9 Secondary reference Field Plastics Inc |
NSN 5985-01-294-2301 is a Seal,waveguide, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-294-2301 has 2 manufacturer part numbers on file: 5543744-001 (Naval Sea Systems Command), IF622-311 (Sebago Molders, Llc).
Key specifications for 5543744-001: FSC Application Data: RADAR SYSTEMS; Seal Thickness: 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Style Designator: FOR RECTANGULAR WAVEGUIDE AND FLANGE; Seal Outside Height: 1.188 INCHES MINIMUM AND 1.438 INCHES MAXIMUM 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.
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.