Conn & King Sousaphone & Tuba, 5/16 Bell Screw, Brass Lacquer or Silver-Plate

OEM, not aftermarket. Conn & King, 5/16-24 thread, 5/32 bottom shoulder, lacquer or silver-plate bell screw.  Contact us if you have questions on your model's fit.  See my item ID# 16376 and 16377 for a slightly different aftermarket bell screw. Fits: 14K Conn Sousaphone 2370 King Sousaphone 2341 King Tuba 2360 King Sousaphone 36K Conn Sousaphone 2341 (Old Detachable Bell Version) King Tuba B1111 King Sousaphone 1529 King Sousaphone 2350 Body Lacquer King Sousaphone