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 6645-01-400-1137
NSN 5950-01-280-2196
NSN 5945-00-985-0559
NSN 2925-00-099-4030
NSN 6650-00-717-8913
NSN 5935-00-131-9747
NSN 6130-01-312-4562
NSN 5965-01-314-7333
NSN 5965-00-204-8513
NSN 6685-01-602-9641
NSN 5960-01-389-0629
NSN 5835-01-493-1826