5360-00-747-9953 (32-35251-5)
NSN 5360-00-747-9953 (NIIN 00-747-9953) 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 32-35251-5 (The Boeing Company, CAGE 76301).
Key specs: 51 to 61 lb load; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $4.48 gov standard price.