The Piston,compressor, cataloged under National Stock Number 4310-01-281-7459, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is W B Arnold Company, Inc.. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4310-01-281-7459 |
| Primary Part Number | 65110256 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | W B Arnold Company, Inc. |
| Status | ACTIVE |
| Integral Connecting Rod | NOT INCLUDED |
| Surface Finish | FINISHED |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 65110256 PRIMARY | W B Arnold Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 65110256 | 5/9 Secondary reference Wartsila Water Systems Limited |
NSN 4310-01-281-7459 is a Piston,compressor, manufactured by W B Arnold Company, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-281-7459 has 1 manufacturer part number on file: 65110256 (W B Arnold Company, Inc.).
Key specifications for 65110256: Integral Connecting Rod: NOT INCLUDED; Surface Finish: FINISHED; Pin: INCLUDED; Pin Type for Which Designed: FLOATING. 7 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.