The Ring,piston, cataloged under National Stock Number 4310-01-273-3668, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Gardner Denver Machinery Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-273-3668 |
| Primary Part Number | 65A266 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Gardner Denver Machinery Inc |
| Status | ACTIVE |
| Material | IRON OVERALL |
| 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 |
|---|---|
| 65A266 PRIMARY | Gardner Denver Machinery Inc (USA) |
| Reference | Meaning |
|---|---|
| 65A266 | C/1 Advisory reference — outside the item-of-supply concept Cooper Industries Inc Dba Cooper Tools |
NSN 4310-01-273-3668 is a Ring,piston, manufactured by Gardner Denver Machinery Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-273-3668 has 1 manufacturer part number on file: 65A266 (Gardner Denver Machinery Inc).
Key specifications for 65A266: End Item Identification: GARDNER DENVER COMPRESSOR MODEL LAB; Material: IRON OVERALL. 1 specification is 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.