The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-331-6312, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-331-6312 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Temp Rating | 900.0 FAHRENHEIT900.0 FAHRENHEIT DEGF |
| Cross-Sectional Thickness | 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | MIL-G-21032,TY 1,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| Outside Diameter | 4.219 INCHES NOMINAL4.219 INCHES NOMINAL IN |
| Aperture Diameter | 3.781 INCHES NOMINAL3.781 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| NAP943 PIECE 19 | 3/9 Design control — primary reference Atlas Valve Co |
| P10213A | 5/9 Secondary reference Atlas Valve Co |
NSN 5330-01-331-6312 is a Gasket,spiral Wound, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-331-6312: Temp Rating: 900.0 FAHRENHEIT900.0 FAHRENHEIT DEGF; Cross-Sectional Thickness: 0.120 INCHES MINIMUM AND 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM0.130 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: MIL-G-21032,TY 1,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.