The Gasket, cataloged under National Stock Number 5330-00-291-0751, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-291-0751 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL |
| Outside Diameter | 26.000 INCHES NOMINAL IN |
| Aperture Diameter | 22.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 24.000 INCHES NOMINAL IN |
| Material | RUBBER AND COTTON BOTH SIDES |
| Hole Diameter | 0.812 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 |
| Reference | Meaning |
|---|---|
| BU41-153PC8 | 3/2 Design control — primary reference U.S. Government activity |
| DC100 | 5/9 Secondary reference Armstrong World Industries Inc |
| BU44-12PC8 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-291-0751 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5330-00-585-1598, 5985-00-793-9856, 5330-01-045-9607. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-00-291-0751: Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL; Outside Diameter: 26.000 INCHES NOMINAL IN. 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.