>> Search results for: 51961983 NSN Search Results National Stock Number (NSN) Description 4330-01-138-1993, 4330011381993 LINING FRICTION BLOCK 4320-25-142-9503 , 4320251429503 BREMSEBELEGG 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