Water-sealed oak-leather piston cup
NSN 6150-00-904-1701
NSN 5855-01-658-1044
NSN 5950-00-025-3820
NSN 5985-00-403-2408
NSN 5930-01-472-9445
NSN 5920-01-367-5791
NSN 6110-01-265-4078
NSN 5998-00-816-9752
NSN 6105-01-258-0346
NSN 5960-00-188-8648
NSN 6110-01-492-6489
NSN 2925-00-247-6248