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 5930-01-152-2621
NSN 5990-01-019-6609
NSN 6220-01-654-2739
NSN 5930-00-676-2553
NSN 5975-00-096-2720
NSN 7035-00-529-3128
NSN 5975-00-038-2813
NSN 6130-01-399-0126
NSN 2925-01-535-7235
NSN 5998-00-115-0640
NSN 6150-00-907-8711
NSN 4140-00-931-1136