Color is black
A tubular item, so formed as to provide a spring action against the inside wall of a hole when driven into abutting pieces to position and hold them in place.
NSN 6320-01-295-9992
NSN 6620-00-349-4703
NSN 6240-01-136-2604
NSN 6150-01-433-0216
NSN 6650-01-643-0534
NSN 6620-01-147-5615
NSN 5998-00-707-5781
NSN 2925-01-506-6975
NSN 6650-01-519-9165
NSN 6320-01-089-9086
NSN 6105-00-265-7545
NSN 6685-01-244-3226