The O-Ring, cataloged under National Stock Number 5331-00-455-6406, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Parker-Hannifin Corp Div O-Ring Division (CAGE 02697) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-455-6406 |
| Primary Part Number | 2574737-8 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 2574737-8 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 2-032 N219-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2243009-8 | 5/9 Secondary reference U.S. Government activity |
| 2443009-8 | 5/9 Secondary reference Hutchinson Seal Corporation |
| 2574737 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2443009-8 | 5/9 Secondary reference Jonal Laboratories Inc |
| 2243009-8 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| N0674 0186-4070ITAR | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| 47.34X1.78 20A7 | 5/9 Secondary reference Stacem |
| N0674 0186-4070ITAR | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2243009-8 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-032 N674-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2574737-8 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5331-00-455-6406 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-455-6406 has 1 manufacturer part number on file: 2574737-8 (Parker-Hannifin Corp Div O-Ring Division).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-031-8229. Verify interchangeability with system specifications before substitution.
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.