Per mcmaster carr part number has multiple sources and oem could not be provided
A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.
NSN 5960-00-233-4250
NSN 5975-01-588-4599
NSN 5950-01-285-0946
NSN 6145-00-975-2039
NSN 5935-00-170-4487
NSN 6620-00-010-8190
NSN 5935-00-217-8847
NSN 2925-01-085-0691
NSN 6105-01-392-4290
NSN 6220-01-062-2077
NSN 5975-01-429-7576
NSN 5990-01-244-9998