The O-Ring, cataloged under National Stock Number 5331-01-320-9566, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kubota Engine America Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Kubota Engine America Corporation (CAGE 1Q0C4); Kubota Corporation (CAGE J1802) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-320-9566 |
| Primary Part Number | 14301-43840 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kubota Engine America Corporation |
| 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 |
|---|---|
| 14301-43840 PRIMARY | Kubota Engine America Corporation (USA) |
| 14301-4384-0 | Kubota Corporation (JPN) |
| Reference | Meaning |
|---|---|
| 14301-4384-0 | 5/9 Secondary reference Kubota Ltd |
| 14301-43840 | 5/1 Secondary reference Kubota Tractor Corp |
| 14301-43840 | 5/1 Secondary reference Engine Distributors, Inc. |
NSN 5331-01-320-9566 is a O-Ring, manufactured by Kubota Engine America Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-320-9566 has 2 manufacturer part numbers on file: 14301-43840 (Kubota Engine America Corporation), 14301-4384-0 (Kubota Corporation).
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.