Fits 0.500 in. Screw pipe; riser 0.375 in. 0d x 12 in. Lg
NSN 4140-00-459-9045
NSN 5935-00-276-9399
NSN 5935-01-254-0198
NSN 6135-00-191-6444
NSN 6145-00-170-5274
NSN 5985-00-451-8710
NSN 5960-00-452-0452
NSN 6650-00-987-5070
NSN 5996-00-220-9414
NSN 6320-01-216-1678
NSN 6145-00-226-9499
NSN 5960-00-040-9989