5120-00-596-9740 (N0)
NSN 5120-00-596-9740 (NIIN 00-596-9740) is an open end wrench in Federal Supply Class 5120, Hand Tools, Nonedged, Nonpowered — a nonadjustable wrench having an open end wrenching feature on one or both ends. Manufacturer part number N0; also referenced as NO REF (General Services Administration).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 8204.11.0030.