Fits 0.500 in. Screw pipe; riser 0.375 in. 0d x 12 in. Lg
NSN 6620-01-253-0374
NSN 5950-01-415-0276
NSN 5965-01-604-8548
NSN 5965-00-910-3233
NSN 2925-00-314-0252
NSN 5998-01-547-7111
NSN 6645-00-875-0772
NSN 5930-00-540-9647
NSN 6240-00-274-4028
NSN 5945-01-652-5596
NSN 5930-01-188-1798
NSN 6240-01-073-6471