5360-00-209-9201 (212923PC12)
NSN 5360-00-209-9201 (NIIN 00-209-9201) 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 212923PC12 (Naval Sea Systems Command, CAGE 53711).
Key specs: 1.125 to 1.250 lb load; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $74.33 gov standard price.