The O-Ring, cataloged under National Stock Number 5331-00-448-8148, 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 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-448-8148 |
| Primary Part Number | 2-139 N674-7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp 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 | 2.358 INCHES MINIMUM AND 2.404 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 331 MAXIMUM |
| Center Hole Diameter | 2.165 INCHES MINIMUM AND 2.185 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU |
| 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 |
|---|---|
| 020139N0674 | Parker Hannifin France SAS (FRA) |
| 39813972 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 2-139 N674-70 | Parker Hannifin Manufactuing Srl (ITA) |
| 2-139 N674-70 | Parker Hannifin France SAS (FRA) |
| 2-139 N674-7 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-139N-70 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| D0551229 | Calzoni Srl (ITA) |
| Reference | Meaning |
|---|---|
| 2034-7906FM271/1 | C/1 Advisory reference — outside the item-of-supply concept Flowmetrics, Inc. Dba Flowmetrics Inc |
| AS568-139 | 3/1 Design control — primary reference Sae International Dba Sae International |
| ASC1295470 | 5/9 Secondary reference Asc Pty Ltd |
| AS568-139 | 5/9 Secondary reference U.S. Government activity |
| 2-139 N674-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| D2000 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5331-00-448-8148 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-448-8148 has 7 manufacturer part numbers on file: 020139N0674 (Parker Hannifin France SAS), 39813972 (Leslie Controls, Inc. Dba Leslie Controls Inc), 2-139 N674-70 (Parker Hannifin Manufactuing Srl), 2-139 N674-70 (Parker Hannifin France SAS), 2-139 N674-7 (Parker-Hannifin Corp Div O-Ring Division) and 2 more.
3 possible matches (shared part number, not a government interchangeability claim): 5331-01-089-1583, 5331-01-225-6343, 5331-01-285-5903. Verify interchangeability with system specifications before substitution.
Key specifications for 2-139 N674-7: 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: 2.358 INCHES MINIMUM AND 2.404 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.