Thd int on flange end 2.125-12unj-3b lh; flight safety critical
An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. 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 flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.
Classification: Flanges of iron or nonalloy steel
NSN 5999-01-305-4885
NSN 7035-01-359-7460
NSN 6610-00-870-4325
NSN 5996-01-434-4975
NSN 6145-01-055-8851
NSN 6110-01-350-3449
NSN 6135-00-452-2266
NSN 6240-00-828-6228
NSN 7035-00-205-1932
NSN 5965-00-963-1796
NSN 5960-00-182-7375
NSN 5990-01-156-7004