The O-Ring, cataloged under National Stock Number 5331-00-005-0562, 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 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-005-0562 |
| Primary Part Number | ARP568-901MILP5510 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.053 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN |
| Outside Diameter | 0.286 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN |
| Hardness Rating | 90.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| ARP568-901MILP5510 PRIMARY | Sae International Dba Sae International (USA) |
| 3-901N507-90 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| MS28778-1 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 3-01N507-90 | 5/9 Secondary reference U.S. Government activity |
| 3-01N507-90 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AS568-901 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS28778-1 | 5/9 Secondary reference U.S. Government activity |
| MS28778-1 | 5/9 Secondary reference U.S. Government activity |
| AS568-901 | 5/9 Secondary reference U.S. Government activity |
| ARP568-901MILP5510 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-005-0562 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-005-0562 has 3 manufacturer part numbers on file: ARP568-901MILP5510 (Sae International Dba Sae International), 3-901N507-90 (Parker-Hannifin Corp Div O-Ring Division), MS28778-1 (Sae International Dba Sae International).
Key specifications for ARP568-901MILP5510: Cross-Sectional Height: 0.053 INCHES MINIMUM AND 0.059 INCHES MAXIMUM IN; Outside Diameter: 0.286 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN. 5 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.