knuckle pin

палець поворотної цапфи; вісь шарніра, палець з’єднання причіпного шатуна з головним шатуном

knuckle forward

arming pin; safety pin

firing pin retaining pin

track pin retaining pin

belt-feed pawl pin / belt feed pawl pin

safety-pin ring

axle-tree retaining bolt locking pin

blade retaining pin

bolt handle spring retaining pin

cap retaining pin

cap retaining pin bushing

cap retaining pin bushing assembly

cap retaining pin screw

cap retaining pin spring

ejector retaining pin

ejector spring retaining pin

outside retaining pin

safety spring retaining pin

track retaining pin

trigger-guard retaining pin