The O-Ring, cataloged under National Stock Number 5331-01-449-3953, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Power Generation Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-449-3953 |
| Primary Part Number | 509-0266-01 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cummins Power Generation 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 |
|---|---|
| 509-0266-01 PRIMARY | Cummins Power Generation Inc. (USA) |
| R03917-118-70BNB | Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA) |
NSN 5331-01-449-3953 is a O-Ring, manufactured by Cummins Power Generation Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-449-3953 has 2 manufacturer part numbers on file: 509-0266-01 (Cummins Power Generation Inc.), R03917-118-70BNB (Apple Rubber Products, Inc. Dba Apple Rubber Products Inc).
Key specifications for 509-0266-01: End Item Identification: ELECTRICAL GROUP 45KW, ONAN CORP. 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.