The O-Ring, cataloged under National Stock Number 5331-01-336-5904, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps). The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Jlg Industries, Inc. (CAGE 1YHH8); Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) (CAGE 30781) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-336-5904 |
| Primary Part Number | 4651-51-021 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| P40668 | Jlg Industries, Inc. (USA) |
| 4651-51-021 PRIMARY | Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) (USA) |
| Reference | Meaning |
|---|---|
| P40668 | 5/9 Secondary reference Lull Lift Corp Dba Omniquip Parts Worldwide |
NSN 5331-01-336-5904 is a O-Ring, manufactured by Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps), classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-336-5904 has 2 manufacturer part numbers on file: P40668 (Jlg Industries, Inc.), 4651-51-021 (Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps)).
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.