The Gasket, cataloged under National Stock Number 5330-00-641-5755, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-641-5755 |
| Primary Part Number | FVA-91-1E |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.094 INCHES NOMINAL IN |
| Gasket Center to Flat Distance | 4.875 INCHES NOMINAL IN |
| Style Designator | CIRCULAR WITH ONE PERIPHERAL FLAT |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 12.250 INCHES NOMINAL IN |
| Aperture Diameter | 9.750 INCHES NOMINAL IN |
| Bolt Hole Quantity | 9 |
| Bolt Circle Diameter | 11.125 INCHES NOMINAL IN |
| Material | CORK AND RUBBER SYNTHETIC OVERALL |
| Hole Diameter | 0.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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 |
|---|---|
| FVA-91-1E PRIMARY | Cooper Machinery Services Llc (USA) |
NSN 5330-00-641-5755 is a Gasket, manufactured by Cooper Machinery Services Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-641-5755 has 1 manufacturer part number on file: FVA-91-1E (Cooper Machinery Services Llc).
Key specifications for FVA-91-1E: Cross-Sectional Thickness: 0.094 INCHES NOMINAL IN; Gasket Center to Flat Distance: 4.875 INCHES NOMINAL IN; Style Designator: CIRCULAR WITH ONE PERIPHERAL FLAT; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.