hitch pin clearance

oscillating hitch pin clearance

pin clearance adjustment

thrust pin clearance

cotter pin retaining pin

gudgeon pin [= crosshead pin]

pin-for-pin

pin-to-pin leakage

pin-to-pin reducer

blade tip clearance [= tip clearance]

clearance gage [= clearance gauge]

1-pin

1-pin connector

37-pin SCSI-II connector

3-D integral pin-fin tube

8-pin

a cylinder-shape and non-whorl pin

Absorbable intramedullary pin

actuating pin