>> Search results for: 643503400254 NSN Search Results National Stock Number (NSN) Description 5365-01-238-3979, 5365012383979 SPACER,RING 5365-33-188-8820 , 5365331888820 ANILLO,ESPACIADOR 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information