5120-00-943-6877 (450)
NSN 5120-00-943-6877 (NIIN 00-943-6877) 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 450; also referenced as 450 18X19MM (Zelenda Machine And Tools Corp).
NIIN assigned February 1966; DEMIL A (none required); export Schedule B 8204.11.0030.