These stud or shaft retainers engage an unthreaded stud or shaft on two sides. Notched springs deflect to encompass the stud as the retainer is pushed on, setting up a strong strut action that resists any back-off pressure. To accommodate varying space requirements, both round and rectangular push-on nuts are available.

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Round Push-On Nuts
Round Push-On Nuts Notched springs deflect to engage the stud or shaft on two sides as the retainer is pushed on, setting up a strong strut action that resists back-off pressure. Rounded ends accommodate confined spaces.
Rectangular Push-On Nuts
Rectangular Push-On Nuts Use the same notched spring deflection principle to grip stud and resist back-off. Rectangular form provides additional bearing area.