5360-00-489-9558 (92)
NSN 5360-00-489-9558 (NIIN 00-489-9558) is an extension helical spring in Federal Supply Class 5360, Coil, Flat, Leaf, And Wire Springs — an open- or close-coiled spring wound in various forms and from different shapes and types of materials and finished at the ends. Manufacturer part number 92 (Lane Spring Co, CAGE 02732).
Key specs: 22 lb nominal load; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required).