The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-442-2568, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-442-2568 |
| Primary Part Number | 8975-017-340 |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.121 INCHES MINIMUM AND 0.121 INCHES MINIMUM AND 0.129 INCHES MAXIMUM0.129 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-G-24716 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 6.594 INCHES MINIMUM AND 6.594 INCHES MINIMUM AND 6.656 INCHES MAXIMUM6.656 INCHES MAXIMUM IN |
| Aperture Diameter | 6.031 INCHES MINIMUM AND 6.031 INCHES MINIMUM AND 6.062 INCHES MAXIMUM6.062 INCHES MAXIMUM IN |
| Material | STEEL COMP 347 AND GRAPHITE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8975-017-340 PRIMARY | Velan Valve Corp. (USA) |
| 7370-052 ITEM 12 | Velan Valve Corp. (USA) |
NSN 5330-01-442-2568 is a Gasket,spiral Wound, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-442-2568 has 2 manufacturer part numbers on file: 8975-017-340 (Velan Valve Corp.), 7370-052 ITEM 12 (Velan Valve Corp.).
Key specifications for 8975-017-340: Cross-Sectional Thickness: 0.121 INCHES MINIMUM AND 0.121 INCHES MINIMUM AND 0.129 INCHES MAXIMUM0.129 INCHES MAXIMUM IN; Material Document and Classification: MIL-G-24716 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 6.594 INCHES MINIMUM AND 6.594 INCHES MINIMUM AND 6.656 INCHES MAXIMUM6.656 INCHES MAXIMUM IN; Aperture Diameter: 6.031 INCHES MINIMUM AND 6.031 INCHES MINIMUM AND 6.062 INCHES MAXIMUM6.062 INCHES MAXIMUM IN. 5 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.