>> Search results for: PFRVA1 NSN Search Results National Stock Number (NSN) Description 3010-00-437-6893, 3010004376893 GEAR ASSEMBLY,SPEED DECREASER 4820-00-438-6638 , 4820004386638 Cancelled -> Replaced by 3895007310528 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