Fits 0.500 in. Screw pipe; riser 0.375 in. 0d x 12 in. Lg
NSN 5960-01-148-6908
NSN 5945-01-355-7020
NSN 5920-01-398-1855
NSN 5920-00-962-0230
NSN 4140-01-521-2357
NSN 5950-01-399-8700
NSN 5950-01-442-7195
NSN 5855-01-553-7976
NSN 5895-01-521-2646
NSN 7035-01-119-6271
NSN 6240-00-623-4784
NSN 5910-01-445-1690