The Gasket, cataloged under National Stock Number 5330-01-280-6799, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-280-6799 |
| Primary Part Number | 8668-8-9 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | William E Williams Valve Corp |
| Status | ACTIVE |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| 8668-8-9 PRIMARY | William E Williams Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| 8668 ITEM 9 8IN | 5/9 Secondary reference William E Williams Valve Corp |
NSN 5330-01-280-6799 is a Gasket, manufactured by William E Williams Valve Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-280-6799 has 1 manufacturer part number on file: 8668-8-9 (William E Williams Valve Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-364-3529, 5910-01-366-0804. Verify interchangeability with system specifications before substitution.
Key specifications for 8668-8-9: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 2 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.