The Gasket, cataloged under National Stock Number 5330-01-541-5800, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-541-5800 |
| Primary Part Number | 4HB906 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Supplementary Features | MATERIAL COMPRESSED ASBESTOS-GARLOCK NO. 7021 |
| Style Designator | CIRCULAR WITH ONE PERIPHERAL FLAT |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 6.875 INCHES NOMINAL IN |
| Aperture Diameter | 4.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Material | ASBESTOS OVERALL |
| Hole Diameter | 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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 |
|---|---|
| 4HB906 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 4HB906 | 5/9 Secondary reference Oshkosh Corp |
| 3340515 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-01-541-5800 is a Gasket, manufactured by Oshkosh Defense Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-541-5800 has 1 manufacturer part number on file: 4HB906 (Oshkosh Defense Llc).
Key specifications for 4HB906: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Supplementary Features: MATERIAL COMPRESSED ASBESTOS-GARLOCK NO. 7021; Style Designator: CIRCULAR WITH ONE PERIPHERAL FLAT; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 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.