A helical coil spring with two heads or ends, used to attach to supporting frame jamb and door. It is operated by torsional action.
NSN 6620-01-422-3522
NSN 5920-00-156-9230
NSN 5930-01-150-6311
NSN 5965-01-364-1232
NSN 6135-00-802-5479
NSN 5990-01-327-1558
NSN 6320-01-353-9753
NSN 4140-00-841-5905
NSN 6105-01-080-2662
NSN 5835-00-092-1136
NSN 6220-00-181-4643
NSN 5920-00-725-9493