The O-Ring, cataloged under National Stock Number 5331-01-020-2310, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-020-2310 |
| Primary Part Number | NA151 2-118 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Outside Diameter | 1.052 INCHES MINIMUM AND 1.084 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 289 MAXIMUM |
| Center Hole Diameter | 0.730 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| NA151 2-118 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| NA151 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 6990501160 | Pleiger Kunststoff Gmbh & Co. Kg (DEU) |
| 116-7507 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| PRP116-7507 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| 116-7507 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
NSN 5331-01-020-2310 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-020-2310 has 4 manufacturer part numbers on file: NA151 2-118 (Parker Hannifin Corporation Div O-Ring Division), NA151 (Parker Hannifin Corporation Div O-Ring Division), 6990501160 (Pleiger Kunststoff Gmbh & Co. Kg), 116-7507 (Trelleborg Sealing Solutions Germany Gmbh).
Key specifications for NA151 2-118: Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Outside Diameter: 1.052 INCHES MINIMUM AND 1.084 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL. 7 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.