>> Search results for: 18539N NSN Search Results National Stock Number (NSN) Description 5310-01-392-8573, 5310013928573 WASHER,FLAT 5330-01-142-0336 , 5330011420336 GASKET 5310-01-139-4301, 5310011394301 Cancelled -> Replaced by 5310013928573 4820-01-140-4884 , 4820011404884 RETAINER,SEAT,VALVE 4820-01-140-2087, 4820011402087 YOKE,VALVE 4820-01-140-2088 , 4820011402088 VALVE,PILOT,PRESSURE 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