The Packing,preformed, cataloged under National Stock Number 5330-01-649-6784, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parco, Llc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-649-6784 |
| Primary Part Number | AS568-264 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parco, Llc |
| Status | ACTIVE |
| Center Hole Diameter | 7.439 INCHES MINIMUM AND 7.529 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM 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 |
|---|---|
| AS568-264 PRIMARY | Parco, Llc (USA) |
NSN 5330-01-649-6784 is a Packing,preformed, manufactured by Parco, Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-649-6784 has 1 manufacturer part number on file: AS568-264 (Parco, Llc).
Key specifications for AS568-264: Special Features: AS568 CALLED FOR TWO CLASSES OF TOLERANCES FOR INSIDE DIAMETERS. CLASS II WAS FOR O-RINGS MADE OF HIGHER-SHRINKAGE ELASTOMERS, SUCH AS FLUOROCARBON AND FLUOROSILICONE. CLASS I WAS FOR O-RINGS MADE OF OTHER ELASTOMERS; CLASS II PERMITTED WIDER TOLERANCES THAN CLASS I; O-RING SIZE: 264; Center Hole Diameter: 7.439 INCHES MINIMUM AND 7.529 INCHES MAXIMUM IN; Cross Section Outside Diameter: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: O-RING. 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.