>> Search results for: BS3977 NSN Search Results National Stock Number (NSN) Description 4020-99-923-7138, 4020999237138 ROPE,FIBROUS 4020-99-923-7139 , 4020999237139 ROPE,FIBROUS 4020-99-923-7136, 4020999237136 ROPE,FIBROUS 4020-99-923-7135 , 4020999237135 ROPE,FIBROUS 4020-99-756-8063, 4020997568063 ROPE,FIBROUS 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