>> Search results for: BS4183M3X8T2A2 NSN Search Results National Stock Number (NSN) Description 5305-99-212-3478, 5305992123478 SCREW.MACHINE 5305-99-131-4073 , 5305991314073 SCREW,COUNTERSUNK H 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