A valve-like safety device used on hydraulic lines to prevent loss of hydraulic fluid from the system when the lines are ruptured or fail for any reason.
NSN 5998-01-581-6958
NSN 5910-01-420-8937
NSN 6685-01-429-0240
NSN 5920-01-118-0309
NSN 6685-01-124-4362
NSN 6130-00-900-4758
NSN 6650-00-221-7119
NSN 6135-01-483-5269
NSN 5935-01-576-9322
NSN 5935-01-358-4298
NSN 5998-00-259-3059
NSN 6145-01-599-7239