The Gasket,spiral Wound, cataloged under National Stock Number 5330-01-466-8959, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-466-8959 |
| Primary Part Number | 8681-118-340 |
| 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 |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| Outside Diameter | 9.718 INCHES NOMINAL9.718 INCHES NOMINAL IN |
| Aperture Diameter | 8.500 INCHES NOMINAL8.500 INCHES NOMINAL IN |
| Material | STEEL COMP 316 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 |
|---|---|
| 8681-118-340 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 8681-752 REV B 8681-118-340 | D/9 Drawing number reference only Velan Valve Corp. |
| 83309-45 PART 19 8681-118-340 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 5330-01-466-8959 is a Gasket,spiral Wound, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-466-8959 has 1 manufacturer part number on file: 8681-118-340 (Velan Valve Corp.).
Key specifications for 8681-118-340: Cross-Sectional Thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Cross-Sectional Shape Style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER; Outside Diameter: 9.718 INCHES NOMINAL9.718 INCHES NOMINAL IN. 6 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.