3530-00-390-4597 (172222)
NSN 3530-00-390-4597 (NIIN 00-390-4597) is a hook bobbin in Federal Supply Class 3530, Industrial Sewing Machines And Mobile Textile Repair Shops. Manufacturer part number 172222 (Singer Industrial Sewing Products Co, CAGE 15613).
NIIN assigned January 1963; DEMIL A (none required); unit of issue EA (each), $0.23 gov standard price.