The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-380-2901, 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 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-380-2901 |
| Primary Part Number | 2642-050-221G |
| Item Name | Gasket,spiral Wound |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Outside Diameter | 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN |
| Aperture Diameter | 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN |
| Material | ASBESTOS 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 |
|---|---|
| 2642-050-221G PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 2642-050-334 | 5/9 Secondary reference Velan Valve Corp. |
NSN 5330-01-380-2901 is a Gasket,spiral Wound, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-380-2901 has 1 manufacturer part number on file: 2642-050-221G (Velan Valve Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-498-5182. Verify interchangeability with system specifications before substitution.
Key specifications for 2642-050-221G: Cross-Sectional Thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN; Outside Diameter: 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN; Aperture Diameter: 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN; Special Features: GASKET IS A COMMERCIAL GRADE ITEMGASKET IS A COMMERCIAL GRADE ITEM. 4 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.