The O-Ring, cataloged under National Stock Number 5331-01-274-2264, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-274-2264 |
| Primary Part Number | AS568-031AMS3209 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| AS568-031AMS3209 PRIMARY | Sae International Dba Sae International (USA) |
| C0557 2-031 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| AS568-031AMS3209 | 5/9 Secondary reference U.S. Government activity |
| 2-031 C557-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-031 C557-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| SAE-AMS7276 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-01-274-2264 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-274-2264 has 2 manufacturer part numbers on file: AS568-031AMS3209 (Sae International Dba Sae International), C0557 2-031 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for AS568-031AMS3209: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 3 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.