The O-Ring, cataloged under National Stock Number 5331-01-263-7381, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-263-7381 |
| Primary Part Number | PRP113-11647 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 0.755 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.542 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| 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 |
|---|---|
| PRP113-11647 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 2-113-L737-65 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-R-25988/1 | 5/9 Secondary reference U.S. Government activity |
| M25988/1-113 | 2/2 Government specification standardization U.S. Government activity |
| 2-113 L677-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 10163437 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| M25988/1-113ES | 5/9 Secondary reference Eriks B.v. |
| A-113TH1057 | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-25988/1 | 4/1 Identification reference U.S. Government activity |
| 5331PL0658514 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 113-11647 | 5/1 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
NSN 5331-01-263-7381 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-263-7381 has 1 manufacturer part number on file: PRP113-11647 (Parker Hannifin Corporation Div O-Ring Division).
Key specifications for PRP113-11647: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 0.755 INCHES NOMINAL 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.