The O-Ring, cataloged under National Stock Number 5331-01-253-0403, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (CAGE 26055) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-253-0403 |
| Primary Part Number | 724-009-022 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 724-009-022 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 724-009-022 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 5331-01-253-0403 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-253-0403 has 1 manufacturer part number on file: 724-009-022 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division).
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.