4.0 mm diameter small end
A cone-shaped, unthreaded, metallic or nonmetallic item, tapered through its entire length, primarily used to position and hold two or more mating parts in alignment.
NSN 5975-01-629-9690
NSN 6320-00-115-0883
NSN 5835-00-128-1967
NSN 7035-01-339-3665
NSN 5905-00-189-9138
NSN 6135-00-935-5241
NSN 5999-01-359-4088
NSN 5950-00-065-0220
NSN 6135-01-142-6456
NSN 5905-01-472-2366
NSN 7035-01-575-4991
NSN 5998-01-557-5375