7/8 - 14 unf o/w o-ring
An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also adapter bushing and coupling, pipe.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 6645-00-854-7505
NSN 4140-01-044-8808
NSN 6130-01-381-3304
NSN 5915-01-235-8349
NSN 6145-01-499-1569
NSN 7035-01-106-3476
NSN 6685-01-222-0141
NSN 5990-01-251-7313
NSN 2925-01-604-8984
NSN 5965-01-077-3346
NSN 5998-01-277-0792
NSN 5905-01-204-3296