Black ball in damping fluid filled glass tube.
No other part numbers with same form, fit, and function found.
NSN 5960-01-604-1158
NSN 5835-01-351-3425
NSN 5975-01-299-8976
NSN 5930-01-628-2967
NSN 6145-00-158-8704
NSN 5950-01-267-8486
NSN 5998-01-037-7826
NSN 5950-00-486-8214
NSN 5920-01-157-9471
NSN 5935-01-450-8874
NSN 4140-01-565-2436
NSN 6105-01-577-1042