The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-485-7570, 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9 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-485-7570 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.175 INCHES MINIMUM0.175 INCHES MINIMUM IN |
| Gage Ring Thickness | 0.093 INCHES MINIMUM0.093 INCHES MINIMUM IN |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING |
| Outside Diameter | 20.750 INCHES NOMINAL20.750 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 21.625 INCHES NOMINAL21.625 INCHES NOMINAL IN |
| Aperture Diameter | 18.687 INCHES NOMINAL18.687 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | GRAPHITE OR NICKEL ALLOY 600 CORE |
| 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 |
|---|---|
| 132-072413-091 | 5/1 Secondary reference Chromalox Inc |
| 132-072413-091 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MIL-G-24716 | 4/1 Identification reference U.S. Government activity |
| M24716TY2CLB18.00NPS150PSI CRPL | 2/2 Government specification standardization U.S. Government activity |
| 155-072829-005 ITEM 2 | 5/1 Secondary reference Chromalox Inc |
NSN 5330-01-485-7570 is a Gasket,spiral Wound, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-485-7570: Cross-Sectional Thickness: 0.175 INCHES MINIMUM0.175 INCHES MINIMUM IN; Gage Ring Thickness: 0.093 INCHES MINIMUM0.093 INCHES MINIMUM IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLER AND OUTER RINGMETAL WINDING W/ SOFT FILLER AND OUTER RING. 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.