>> Search results for: 2740137 NSN Search Results National Stock Number (NSN) Description 5331-00-576-9420, 5331005769420 O-RING 5330-01-541-3854 , 5330015413854 RETAINER,SEAL 4820-99-647-9873, 4820996479873 VALVE,SPOOL 4320-99-827-0521 , 4320998270521 RAM,HYDRAULIC 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