Boeing 757 airstairs
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 6220-00-986-0813
NSN 6130-01-311-5637
NSN 5960-01-123-8775
NSN 5965-01-141-6485
NSN 4140-01-321-9085
NSN 6320-00-116-3658
NSN 6320-01-364-1840
NSN 5855-01-591-0466
NSN 5999-00-148-6146
NSN 5930-01-020-7715
NSN 6645-01-157-9080
NSN 5990-01-652-7373