The O-Ring, cataloged under National Stock Number 5331-01-661-9426, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-661-9426 |
| Primary Part Number | 052109110 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Perkins Engines 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 |
|---|---|
| 052109110 | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 4298425 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 052109110 | 3/9 Design control — primary reference Power Great Lakes, Inc. |
NSN 5331-01-661-9426 is a O-Ring, manufactured by Perkins Engines Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-661-9426 has 1 manufacturer part number on file: 052109110 (Perkins Engines Inc).
Key specifications for 052109110: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: 4210-01-622-0440,TRUCK,FIRE FIGHTING. 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.