In accordance with naval air engineering laboratory drawing number 411939, dated 8/30/1963
A nonadjustable wrench having a box wrenching feature on one or both ends. Excludes wrench, open end box; and wrench, box and open end, combination.
Classification: Open-end, box and combination open-end and box wrenches, base metal
NSN 5950-01-415-2466
NSN 6685-01-559-8861
NSN 5935-00-333-1810
NSN 6110-01-125-1660
NSN 5920-01-413-8513
NSN 5855-01-003-7102
NSN 5990-01-349-8132
NSN 5835-00-503-2608
NSN 5910-00-501-2087
NSN 5920-01-045-1484
NSN 6135-00-519-1325
NSN 6620-01-032-3937