The O-Ring, cataloged under National Stock Number 5331-01-627-7639, 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 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-627-7639 |
| Primary Part Number | 2-011 N3837-85 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -35.0 CELSIUS AND 150.0 CELSIUS DEGC |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM |
| 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 |
|---|---|
| 2-011 N3837-85 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 0744334 | General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels (CHE) |
NSN 5331-01-627-7639 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-627-7639 has 2 manufacturer part numbers on file: 2-011 N3837-85 (Parker-Hannifin Corp Div O-Ring Division), 0744334 (General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels).
Key specifications for 2-011 N3837-85: Temp Rating: -35.0 CELSIUS AND 150.0 CELSIUS DEGC; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM. 2 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.