The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-045-6635, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-045-6635 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Maximum Pressure Rating | 300.0 POUNDS PER SQUARE INCH (PSI)300.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Style Designator | CIRCULAR |
| Bearing Surface Width | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING |
| Outside Diameter | 6.500 INCHES NOMINAL6.500 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 7.750 INCHES NOMINAL7.750 INCHES NOMINAL IN |
| Aperture Diameter | 5.500 INCHES NOMINAL5.500 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 304 AND ASBESTOS CHRYSOTILE 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 |
|---|---|
| 1305001 | 5/9 Secondary reference Saint-Gobain Performance Plastics Corporation Div Engineered Polymers |
| CG-3M | 3/9 Design control — primary reference Flexitallic Gasket Co Inc |
| 1305001 | 5/9 Secondary reference Parker Hannifin Corp Seal Group Gasket Div |
| CG-3M | C/1 Advisory reference — outside the item-of-supply concept Flexitallic Us, Llc |
NSN 5330-01-045-6635 is a Gasket,spiral Wound, classified under FSC 5330, Packing and Gasket Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-220-9255, 5307-01-579-3037. Verify interchangeability with system specifications before substitution.
Key specifications for 5330-01-045-6635: Cross-Sectional Thickness: 0.175 INCHES NOMINAL0.175 INCHES NOMINAL IN; Gage Ring Thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN; Maximum Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI)300.0 POUNDS PER SQUARE INCH (PSI) LBS; Style Designator: CIRCULAR. 11 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.