Od of the boss is .750 inches.
No other part numbers with same form, fit, and function found.
A fitting that forms an angle of less than 180 degrees (3.141 radians) from the straight flow. The boss connections have external and/or internal machine threads (straight threads other than pipe or hose series), and are designed to facilitate a gasket, preformed packing, washer, or the like, to form a seal at the boss. It may have side or heel inlet(s). It is designed to join two bosses or boss fittings on items such as tanks, housings, valve fittings, and the like. Excludes elbow, tube.
NSN 2925-01-205-4584
NSN 6650-01-462-0830
NSN 6320-01-449-1014
NSN 5915-01-512-8851
NSN 5999-00-546-9493
NSN 6135-01-584-0941
NSN 5855-00-951-6483
NSN 5905-01-369-1450
NSN 5905-01-469-6376
NSN 5905-00-788-4514
NSN 5910-00-737-1617
NSN 5925-01-164-0837