The Seal,nonmetallic Strip, cataloged under National Stock Number 5330-00-421-7864, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Dewey Electronics Corporation. Government technical data includes 11 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 | 5330-00-421-7864 |
| Primary Part Number | 40438-1 |
| Item Name | Seal,nonmetallic Strip |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Dewey Electronics Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.375 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.375 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-6855,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SQUARE WITH CENTER APERTURE |
| Aperture Width | 20.375 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 0.156 INCHES NOMINAL IN |
| Aperture Length | 29.125 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Fabrication Method | SOLID |
| Construction | SOLID |
| 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 |
|---|---|
| 40438-1 PRIMARY | The Dewey Electronics Corporation (USA) |
NSN 5330-00-421-7864 is a Seal,nonmetallic Strip, manufactured by The Dewey Electronics Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-421-7864 has 1 manufacturer part number on file: 40438-1 (The Dewey Electronics Corporation).
Key specifications for 40438-1: Cross-Sectional Height: 0.375 INCHES NOMINAL IN; Cross-Sectional Width: 0.375 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-R-6855,GR 50 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 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.