The Gasket, cataloged under National Stock Number 5330-01-393-5381, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-393-5381 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Aperture Diameter | 2.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 2.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Environmental Attribute Code | ASBESTOS ALTERNATIVE PRODUCTS |
| Outside Corner Radius | 0.562 INCHES NOMINAL IN |
| Hole Diameter | 0.562 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 |
|---|---|
| 035-222 | 3/9 Design control — primary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 5330-01-393-5381 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4140-01-442-5155. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-393-5381: Overall Length: 3.750 INCHES NOMINAL IN; Overall Width: 3.750 INCHES NOMINAL IN; Aperture Diameter: 2.250 INCHES NOMINAL IN; Bolt Hole Quantity: 4. 7 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.