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 5915-01-105-9789
NSN 5965-01-633-8849
NSN 6645-00-787-2673
NSN 5930-01-159-7339
NSN 5985-01-080-4701
NSN 5945-01-339-2088
NSN 6645-01-497-6543
NSN 7035-01-582-4034
NSN 5999-01-514-2926
NSN 4140-00-736-8813
NSN 7035-00-185-8683
NSN 5895-01-445-8285