The O-Ring, cataloged under National Stock Number 5331-01-657-7138, 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 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-657-7138 |
| Primary Part Number | 5-590E54080 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -70.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 2.69 MILLIMETERS NOMINAL MM |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | AS568 ASSN STD SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Center Hole Diameter | 13.59 MILLIMETERS NOMINAL MM |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| 5-590E54080 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-01-657-7138 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-657-7138 has 1 manufacturer part number on file: 5-590E54080 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 5-590E54080: Temp Rating: -70.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 2.69 MILLIMETERS NOMINAL MM; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: AS568 ASSN STD SINGLE MATERIAL RESPONSE. 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.