The Gasket, cataloged under National Stock Number 5330-01-313-3579, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-313-3579 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Maximum Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Style Designator | CIRCULAR |
| Material Document and Classification | HH-P-151,CLASS 2 FED SPEC 1ST MATERIAL RESPONSE OR HH-P-151,CLASS 3 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-151,CLASS 4 FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 7.688 INCHES NOMINAL IN |
| Aperture Diameter | 4.280 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-F-20042 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | IPS4 SIZE AND PLAIN FLANGE STYLE |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 6.562 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR AND COTTON OR RUBBER BUTADIENE-STYRENE CLASS SBR AND COTTON OR RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND COTTON OVERALL |
| 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 |
|---|---|
| GASKET 4 IPS 150 PSI 1/8 THK | 3/1 Design control — primary reference U.S. Government activity |
| MIL-PRF-20042 | 4/1 Identification reference U.S. Government activity |
| MIL-F-20042 CL 150 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-313-3579 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 5330-01-313-3580, 5330-01-313-3581, 5330-01-313-3583. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-313-3579: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Maximum Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) LBS; Style Designator: CIRCULAR; Material Document and Classification: HH-P-151,CLASS 2 FED SPEC 1ST MATERIAL RESPONSE OR HH-P-151,CLASS 3 FED SPEC 2ND MATERIAL RESPONSE OR HH-P-151,CLASS 4 FED SPEC 3RD MATERIAL RESPONSE OVERALL. 13 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.