The O-Ring, cataloged under National Stock Number 5331-01-266-3284, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-266-3284 |
| Primary Part Number | 01003405 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations |
| Status | ACTIVE |
| Center Hole Diameter | 1.310 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 01003405 PRIMARY | Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations (USA) |
| Reference | Meaning |
|---|---|
| P-85246 ITEM 19 | 5/9 Secondary reference Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations |
| 246-000000125 | 3/9 Design control — primary reference Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations |
NSN 5331-01-266-3284 is a O-Ring, manufactured by Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-266-3284 has 1 manufacturer part number on file: 01003405 (Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations).
Key specifications for 01003405: Center Hole Diameter: 1.310 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.