97-121-410R vs 97-121-410Y vs 97-121-412R

PartNumber	97-121-410R	97-121-410Y	97-121-412R
Description	Circular MIL Spec Tools, Hardware & Accessories 97-121-410R	Circular MIL Spec Tools, Hardware & Accessories 97-121-410Y	Circular MIL Spec Tools, Hardware & Accessories 10-070500-012