The Gasket, cataloged under National Stock Number 5330-01-040-4798, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-040-4798 |
| Primary Part Number | 3SH81 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | CIRCULAR |
| Material Document and Classification | 1225 FSCM 91265 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.435 INCHES NOMINAL IN |
| Aperture Diameter | 4.227 INCHES MINIMUM AND 4.247 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 3SH81 PRIMARY | Oshkosh Defense Llc (USA) |
| 2370311 | R. H. Sheppard Co., Inc. Dba Sheppard (USA) |
| Reference | Meaning |
|---|---|
| 3SH81 | 5/9 Secondary reference Oshkosh Corp |
| 5330010404798 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5330-01-040-4798 is a Gasket, manufactured by Oshkosh Defense Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-040-4798 has 2 manufacturer part numbers on file: 3SH81 (Oshkosh Defense Llc), 2370311 (R. H. Sheppard Co., Inc. Dba Sheppard).
Key specifications for 3SH81: Temp Rating: -40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: CIRCULAR. 9 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.