The O-Ring, cataloged under National Stock Number 5331-01-064-7233, 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 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-064-7233 |
| Primary Part Number | AS568-240AMS3304 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 3.706 INCHES MINIMUM AND 3.762 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| D904 ITEM56 | Rix Industries (USA) |
| AS568-240AMS3304 PRIMARY | Sae International Dba Sae International (USA) |
| I23-240-2 | Rix Industries (USA) |
| S0604 2-240 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 2-240 S604-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AS568-240AMS3304 | 5/9 Secondary reference U.S. Government activity |
| 2-240 S604-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
NSN 5331-01-064-7233 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-064-7233 has 4 manufacturer part numbers on file: D904 ITEM56 (Rix Industries), AS568-240AMS3304 (Sae International Dba Sae International), I23-240-2 (Rix Industries), S0604 2-240 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for AS568-240AMS3304: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 6 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.