Brass with 3/8 inches npsm threads
NSN 5990-01-414-2071
NSN 5920-00-615-2241
NSN 5905-00-503-1779
NSN 5945-00-816-7274
NSN 5910-01-574-9364
NSN 6620-01-643-5531
NSN 6220-01-357-3672
NSN 5945-01-025-9810
NSN 4140-00-288-7662
NSN 5965-01-445-9403
NSN 5975-01-069-2196
NSN 6150-01-264-3304