Overview Reviews Product Description Circuit breaker hardware, Pal Nut for 3/8-27" bushingUsed as an additional hardware with the Mechanical Products 16 Series breakers with a 3/8-27" bushing. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Mechanical Products 5000-634-1 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments