The O-Ring, cataloged under National Stock Number 5331-01-304-3453, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Prestolite Electric Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-304-3453 |
| Primary Part Number | Z053095777 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Prestolite Electric Inc |
| 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 |
|---|---|
| 2EK561 | Oshkosh Defense Llc (USA) |
| Z053095777 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| 2EK561 | 5/9 Secondary reference Oshkosh Corp |
| 10394120 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| Z053095777 | 5/9 Secondary reference Prestolite Electric Inc Leece-Neville Gainesville Div |
| 95777 | 5/9 Secondary reference Prestolite Electric Inc |
| Z053095777 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5331-01-304-3453 is a O-Ring, manufactured by Prestolite Electric Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-304-3453 has 2 manufacturer part numbers on file: 2EK561 (Oshkosh Defense Llc), Z053095777 (Prestolite Electric Inc).
Key specifications for Z053095777: End Item Identification: HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 0 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.