PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RH503Ram,hydraulic

Spx Fluid Power · NSN 4320-01-295-2706 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-295-2706 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-295-2706. Primary manufacturer part number: RH503.
Features
  • Ram,hydraulic — FSC 4320
  • Carrying Handle: NOT INCLUDED
  • Plunger Diameter: 4.125 INCHES NOMINAL IN
  • Capacity: 50.0 TONS
  • Extended Height: 10.125 INCHES NOMINAL IN
  • Retracted Height: 7.125 INCHES NOMINAL IN
  • Overall Diameter: 6.000 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ram,hydraulic, cataloged under National Stock Number 4320-01-295-2706, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Spx Fluid Power. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-295-2706
Primary Part NumberRH503
Item NameRam,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerSpx Fluid Power
StatusACTIVE
Carrying HandleNOT INCLUDED
Plunger Diameter4.125 INCHES NOMINAL IN
Capacity50.0 TONS
Extended Height10.125 INCHES NOMINAL IN
Retracted Height7.125 INCHES NOMINAL IN
Overall Diameter6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-729-4099 INTERCHANGEABLE
Connector,receptacle,electrical
5820-01-081-8824 INTERCHANGEABLE
Filter,felt
5340-01-165-0602 INTERCHANGEABLE
Strap,webbing
Cross-Reference Index
Part NumberManufacturer
3-70051 Tranter Gmbh (DEU)
RH503 PRIMARY Spx Fluid Power (USA)
RH503 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5935-00-729-4099INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5820-01-081-8824INTERCHANGEABLE
FILTER,FELT
5340-01-165-0602INTERCHANGEABLE
STRAP,WEBBING

Frequently Asked Questions

What is NSN 4320-01-295-2706?

NSN 4320-01-295-2706 is a Ram,hydraulic, manufactured by Spx Fluid Power, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-295-2706?

NSN 4320-01-295-2706 has 3 cross-referenced part numbers: 3-70051 (Tranter Gmbh), RH503 (Spx Fluid Power), RH503 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 4320-01-295-2706?

There are 3 known substitutes for 4320-01-295-2706: 5935-00-729-4099, 5820-01-081-8824, 5340-01-165-0602. Verify interchangeability with system specifications before substitution.

What are the specifications of RH503?

Key specifications for RH503: Carrying Handle: NOT INCLUDED; Special Features: 54.3 TONS AT 10,000 PSIG;SPRING PISTON,SINGLE ACTING; Plunger Diameter: 4.125 INCHES NOMINAL IN; Capacity: 50.0 TONS. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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