The O-Ring, cataloged under National Stock Number 5331-01-546-8517, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-01-546-8517 |
| Primary Part Number | A040R839 |
| 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 |
|---|---|
| A040R839 | Cummins Power Generation Inc. (USA) |
| Reference | Meaning |
|---|---|
| 24311-000120 | 3/9 Design control — primary reference Yanmar Diesel America Corp |
| 24311-000120 | C/1 Advisory reference — outside the item-of-supply concept Yanmar America Corporation |
NSN 5331-01-546-8517 is a O-Ring, manufactured by Cummins Power Generation Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-546-8517 has 1 manufacturer part number on file: A040R839 (Cummins Power Generation Inc.).
Key specifications for A040R839: Part Name Assigned by Controlling Agency: O-RING 1A P 12.0 A; End Item Identification: CYLINDER HEAD & BONNET FOR NSN 2815-01-538-4257; ENGINE DIESEL. 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.