Black oxide penetrate, per usa57-0-2, class a grade 1
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 5920-01-113-9040
NSN 2925-01-422-1542
NSN 5945-01-487-7149
NSN 5960-01-233-2756
NSN 5895-01-057-5814
NSN 4140-00-996-2248
NSN 5930-01-286-2908
NSN 5930-01-438-6335
NSN 5855-01-432-2487
NSN 6150-00-775-7274
NSN 5990-01-004-6343
NSN 5950-01-421-4138