The O-Ring, cataloged under National Stock Number 5331-01-390-9623, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-390-9623 |
| Primary Part Number | S63051139-3107 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -51.0 CELSIUS AND 177.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Hardness Rating | 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM |
| Color | BLACK |
| Center Hole Diameter | 11.500 INCHES NOMINAL 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 |
|---|---|
| S63051139-3107 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| A3131390-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-390-9623 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-390-9623 has 1 manufacturer part number on file: S63051139-3107 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for S63051139-3107: Temp Rating: -51.0 CELSIUS AND 177.0 CELSIUS DEGC; Cross-Sectional Height: 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Hardness Rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM; Color: BLACK. 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.