The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-447-1849, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-447-1849 |
| Primary Part Number | 2647-051-500 |
| 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 |
| Material Document and Classification | MIL-G-24716, TY-1, CLASS-B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN |
| Aperture Diameter | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 23256-10 REV V ITEM 13A | Velan Valve Corp. (USA) |
| 2647-051-500 PRIMARY | Velan Valve Corp. (USA) |
NSN 5330-01-447-1849 is a Gasket,spiral Wound, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-447-1849 has 2 manufacturer part numbers on file: 23256-10 REV V ITEM 13A (Velan Valve Corp.), 2647-051-500 (Velan Valve Corp.).
Key specifications for 2647-051-500: Cross-Sectional Thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN; Material Document and Classification: MIL-G-24716, TY-1, CLASS-B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 3.250 INCHES NOMINAL3.250 INCHES NOMINAL IN; Aperture Diameter: 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN. 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.