>> Search results for: PS1844 NSN Search Results National Stock Number (NSN) Description 4310-99-450-6111, 4310994506111 RING,PISTON 4310-99-517-1341 , 4310995171341 RING,PISTON 4310-99-840-1221, 4310998401221 RING,PISTON 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