The O-Ring, cataloged under National Stock Number 5331-00-418-2148, 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 4 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-418-2148 |
| Primary Part Number | 2574737-11 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.070 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 2574737-11 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2574737-11 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2574737-11 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| N219-735-073-70DUR | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2574737-11 | 5/9 Secondary reference Hutchinson Seal Corporation |
| 2574737-11 | 5/9 Secondary reference Jonal Laboratories Inc |
| 2574737-11 | 5/9 Secondary reference U.S. Government activity |
| N219-735-073-70DUR | 5/9 Secondary reference U.S. Government activity |
| SG-4600 PIECE018 | 5/9 Secondary reference U.S. Government activity |
| 2574737-11 | 5/9 Secondary reference Lord Corp Aerospace Products Div |
NSN 5331-00-418-2148 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-418-2148 has 2 manufacturer part numbers on file: 2574737-11 (Parker-Hannifin Corp Div O-Ring Division), 2574737-11 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2574737-11: Cross-Sectional Height: 0.070 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 4 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.