No other part numbers with same form, fit, and function found.
An externally threaded fastener whose threaded portion is of one nominal diameter having small raised projections on the top side or underside of the head to facilitate welding the head. May or may not be designed to be held or turned with a wrench or inserted driver.
NSN 6645-01-246-7129
NSN 5925-01-543-2640
NSN 6610-00-405-9700
NSN 5985-01-324-5913
NSN 6320-00-925-0558
NSN 6145-01-042-4621
NSN 5950-00-788-6089
NSN 5965-01-583-3774
NSN 5950-00-049-3904
NSN 6610-01-033-1748
NSN 5855-00-198-3197
NSN 6135-01-167-7604