The Packing,preformed, cataloged under National Stock Number 5330-00-237-7643, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Johns Manville Intl. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-237-7643 |
| Primary Part Number | 5821SSH1L7 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Johns Manville Intl |
| Status | ACTIVE |
| Temp Rating | -20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.375 INCHES NOMINAL IN |
| Hardness Rating | 100.0 SHORE DUROMETER A NOMINAL OVERALL |
| Material Document and Classification | H1 FSCM 75165 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SPECIAL |
| Peripheral Diameter | 2.250 INCHES NOMINAL IN |
| Center Hole Diameter | 1.500 INCHES NOMINAL IN |
| Material | RUBBER 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 |
|---|---|
| 5821SSH1L7 PRIMARY | Johns Manville Intl (USA) |
NSN 5330-00-237-7643 is a Packing,preformed, manufactured by Johns Manville Intl, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-237-7643 has 1 manufacturer part number on file: 5821SSH1L7 (Johns Manville Intl).
Key specifications for 5821SSH1L7: Temp Rating: -20.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.375 INCHES NOMINAL IN; Hardness Rating: 100.0 SHORE DUROMETER A NOMINAL OVERALL; Material Document and Classification: H1 FSCM 75165 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 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.