The Piston,pump, cataloged under National Stock Number 4320-01-161-0657, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-161-0657 |
| Primary Part Number | 56624 |
| Item Name | Piston,pump |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Systems Division |
| Status | ACTIVE |
| Retaining Ring Groove | NOT INCLUDED |
| Ring Groove Quantity | 2 |
| Integral Connecting Rod | NOT INCLUDED |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Skirt Type | SOLID |
| Pin | NOT INCLUDED |
| FSC Application Data | PUMP ASSEMBLY,HYDRAULIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-01-161-0657 is a Piston,pump, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-161-0657 has 2 cross-referenced part numbers: 56624 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), 56624 (Parker Hannifin Corporation Div Hydraulic Systems Division).
There are 3 known substitutes for 4320-01-161-0657: 3030-00-497-8167, 5342-01-481-7358, 4720-01-689-0798. Verify interchangeability with system specifications before substitution.
Key specifications for 56624: Retaining Ring Groove: NOT INCLUDED; Ring Groove Quantity: 2; Integral Connecting Rod: NOT INCLUDED; Skirt Bottom Cutaway Feature: NOT INCLUDED. 8 total characteristics are documented in the Federal Logistics Information System.