The Peterson plastic -6AN plug is supplied as a pack of 10 and serves as a protective cap for -6AN fittings and ports. These plastic plugs keep contaminants out while components are stored, assembled or serviced, and are sized to fit -6AN lines. They’re intended for use with Peterson pumps, breather cans and related fixtures, making them practical spares for plumbing and maintenance.
Peterson Fluid Systems Plastic Plug -6AN (Pack of 10)