Used on aircraft axle jack; p/n si4394001-101
No other part numbers with same form, fit, and function found.
NSN 6650-01-274-8586
NSN 5915-00-188-9057
NSN 5945-01-329-5786
NSN 5920-00-931-6528
NSN 5930-00-153-4792
NSN 6135-00-557-8874
NSN 6610-01-274-6223
NSN 5855-01-657-7657
NSN 5985-00-933-2878
NSN 6105-01-356-0858
NSN 7035-01-227-2546
NSN 2925-00-333-4702