The O-Ring, cataloged under National Stock Number 5331-00-455-6407, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-455-6407 |
| Primary Part Number | 2574737-7 |
| 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 | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 1.735 INCHES MINIMUM AND 1.773 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 331 MAXIMUM |
| Center Hole Diameter | 1.604 INCHES MINIMUM AND 1.624 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 |
|---|---|
| 2574737-7 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2574737-7 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 2574737-7 | 5/9 Secondary reference Apple Rubber Products, Inc. Dba Apple Rubber Products Inc |
| 2574737-7 | 5/9 Secondary reference Nichols Engineering and Research Corp Sub of Wheelabrator-Frye Inc |
| 2-030 N674-70 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
| 2574737-7 | 5/9 Secondary reference U.S. Government activity |
| 2-030 N219-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-030N674-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2574737-7 | 5/9 Secondary reference Hutchinson Seal Corporation |
| N141015510 | 5/9 Secondary reference Wass Srl |
| 2574737-7 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| 2-030 N674-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-00-455-6407 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-455-6407 has 2 manufacturer part numbers on file: 2574737-7 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2574737-7 (Parker-Hannifin Corp Div O-Ring Division).
2 possible matches (shared part number, not a government interchangeability claim): 5331-00-595-6330, 5331-01-031-1329. Verify interchangeability with system specifications before substitution.
Key specifications for 2574737-7: Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 1.735 INCHES MINIMUM AND 1.773 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.