The Gasket, cataloged under National Stock Number 5330-01-522-6430, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-522-6430 |
| Primary Part Number | 8681-114-620 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | AMS-C-6183 TY-1, CL-1. GRADE C BUNA-N -- VELAN MATERIAL CODE 620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.250 INCHES NOMINAL IN |
| Aperture Diameter | 3.781 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR 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 |
|---|---|
| 8681-114-620 PRIMARY | Velan Valve Corp. (USA) |
| 8681-752 PN 8681-114-620 | Velan Valve Corp. (USA) |
| 83309-41 PN 19, 8681-114-620 | Velan Valve Corp. (USA) |
NSN 5330-01-522-6430 is a Gasket, manufactured by Velan Valve Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-522-6430 has 3 manufacturer part numbers on file: 8681-114-620 (Velan Valve Corp.), 8681-752 PN 8681-114-620 (Velan Valve Corp.), 83309-41 PN 19, 8681-114-620 (Velan Valve Corp.).
Key specifications for 8681-114-620: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: AMS-C-6183 TY-1, CL-1. GRADE C BUNA-N -- VELAN MATERIAL CODE 620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.