The Gasket, cataloged under National Stock Number 5330-01-448-4640, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Hecht Rubber Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-448-4640 |
| Primary Part Number | 437 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Hecht Rubber Corporation |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| 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 |
|---|---|
| 437 PRIMARY | Hecht Rubber Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1579E26ITEM9 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-448-4640 is a Gasket, manufactured by Hecht Rubber Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-448-4640 has 1 manufacturer part number on file: 437 (Hecht Rubber Corporation).
Key specifications for 437: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL. 1 specification is 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.