Product Description
Crown 50012-021 is a precision snap ring designed for use in PTH manual pallet jack hydraulic units, serving as a critical retention component within pump and ram subassemblies. Manufactured from hardened spring steel, it secures moving parts and maintains hydraulic system integrity. This direct replacement part ensures reliable operation in later-generation Crown PTH equipment.
Specifications
Part Numbers
| OEM Part Number | CR 50012-021 |
| Manufacturer Part Number | CR 50012-021 |
| Compatible Models | Crown later PTH manual pallet jack hydraulic units (serial #3-183850 & higher); Crown PTH 50 hydraulic unit (serial #7-512501 & higher) |
Performance Specifications
| Service Environment | Designed for hydraulic retention, not for high torque or structural loads |
Frequently Asked Questions
Q: What is the purpose of part number 50012-021 in a manual pallet jack?
A: 50012-021 is a snap ring retention component for Crown PTH manual pallet jack hydraulic units. It serves as a critical fastener within pump and ram subassemblies, securing moving or rotating parts and preventing separation during equipment operation.
Q: What Crown pallet jack models and serial ranges use 50012-021?
A: 50012-021 is compatible with Crown PTH later-generation hydraulic units with serial number 3-183850 and higher, and Crown PTH 50 hydraulic units with serial number 7-512501 and higher. Verify your equipment serial number to confirm fitment.
Q: What material is 50012-021 made from?
A: 50012-021 is manufactured from hardened spring steel, which provides the tensile strength and spring properties necessary to maintain secure retention in pump and ram assemblies. The hardened material resists fatigue and permanent deformation during normal pallet jack operation.
Q: Is 50012-021 suitable for high-pressure hydraulic applications?
A: 50012-021 is designed for hydraulic retention within standard manual pallet jack hydraulic units and is not rated for extreme-pressure applications beyond Crown PTH Series specifications. Use this part only in its designated hydraulic unit assembly.
Q: How long does 50012-021 typically last in service?
A: Under normal operating conditions in Crown PTH Series hydraulic units, 50012-021 has an indefinite service life as a static retention component. Replacement is necessary only if the snap ring becomes damaged, cracked, or loses its spring tension and fails to retain its assembly.