Free length is 5.500 in, nom; color is red; this item is called a "tension spring" by mfr
An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.
NSN 5910-01-600-0199
NSN 5990-01-604-0862
NSN 5930-00-666-2971
NSN 5910-01-391-6580
NSN 4140-00-781-4022
NSN 6320-00-456-0836
NSN 6610-01-468-6880
NSN 5985-01-476-2731
NSN 2925-01-058-1718
NSN 5910-01-574-5562
NSN 6220-01-481-5646
NSN 6145-00-338-5645