The O-Ring, cataloged under National Stock Number 5331-00-006-2370, 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 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-00-006-2370 |
| Primary Part Number | 2-242E540-80 |
| 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 250.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN |
| Outside Diameter | 4.226 INCHES MINIMUM AND 4.298 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 3.969 INCHES MINIMUM AND 3.999 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 |
|---|---|
| L000259 PIECE 31 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 2-242E540-80 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 7000067 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 7000067 | Toolex, Inc Dba Toolex Inc (USA) |
| L000259 PIECE 31 | Toolex, Inc Dba Toolex Inc (USA) |
| Reference | Meaning |
|---|---|
| 2-242E540-8 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-00-006-2370 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-006-2370 has 5 manufacturer part numbers on file: L000259 PIECE 31 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 2-242E540-80 (Parker-Hannifin Corp Div O-Ring Division), 7000067 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 7000067 (Toolex, Inc Dba Toolex Inc), L000259 PIECE 31 (Toolex, Inc Dba Toolex Inc).
Key specifications for 2-242E540-80: Temp Rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN; Outside Diameter: 4.226 INCHES MINIMUM AND 4.298 INCHES MAXIMUM IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL. 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.