Hardware - RingAftermarket replacement part, cross-references original part number AC30C-30-51170.This part is a standard aftermarket replacement. Contact us at (562) 693-7748 if you need confirmation of fit for your specific equipment.This spring (AC30C-30-51170) is an aftermarket replacement built to OEM specifications at an affordable price.Part number variants: AC30C-30-51170, ac30c-30-51170, AC30C3051170, ac30c3051170. ⚠ Warning: Some equipment has serial-number breaks that may not be reflected in the catalog. Contact us for clarification before ordering if uncertain.SCR Forklift Parts ships from Whittier, CA with next-day delivery available across the US when needed.Browse our extensive aftermarket forklift parts catalog or call (562) 693-7748 for help identifying the right part.