Item described as 0.375 - 0.438 spline box; drive end shape spline
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 6610-01-352-5500
NSN 5920-01-359-3982
NSN 5905-01-274-6317
NSN 2925-01-299-6967
NSN 5935-01-479-6095
NSN 5920-01-194-0350
NSN 5930-00-411-7012
NSN 6610-00-692-4460
NSN 5960-01-486-8919
NSN 5975-01-535-0754
NSN 6145-01-315-0339
NSN 5925-01-318-3296