The O-Ring, cataloged under National Stock Number 5331-01-724-0904, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-724-0904 |
| Primary Part Number | FF200A7257-902 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | 550.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| Material Document and Classification | AMS7527 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Center Hole Diameter | 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Material | RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| 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 |
|---|---|
| FF200A7257-902 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 561-515-0902 | 7/2 Vendor item drawing reference U.S. Government activity |
| AS568-902Z7257 | 5/9 Secondary reference Freudenberg-Nok General Partnership Dba International Seal Co Inc |
NSN 5331-01-724-0904 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-724-0904 has 1 manufacturer part number on file: FF200A7257-902 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for FF200A7257-902: Temp Rating: 550.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Material Document and Classification: AMS7527 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE. 7 specifications are 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.