The Gasket, cataloged under National Stock Number 5330-01-231-5928, 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9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-231-5928 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | 850.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | 60 FSCM 75165 MFR REF ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.750 INCHES NOMINAL IN |
| Aperture Diameter | 4.375 INCHES NOMINAL IN |
| Color | GRAY/GREY |
| Material | ASBESTOS AND RUBBER BUTADIENE-STYRENE CLASS SBR OVERALL |
| 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 |
|---|---|
| 22221-2 | 3/9 Design control — primary reference Peerless Nuclear Corp |
NSN 5330-01-231-5928 is a Gasket, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-245-0487, 4920-01-571-8331. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-231-5928: Temp Rating: 850.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: 60 FSCM 75165 MFR REF ALL MATERIAL RESPONSES OVERALL. 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.