A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6645-00-163-3084
NSN 6320-01-129-9656
NSN 6320-01-176-8367
NSN 6220-01-106-3215
NSN 6145-01-421-4257
NSN 5950-00-781-0561
NSN 5935-00-867-5702
NSN 6150-01-414-1822
NSN 5950-00-834-4195
NSN 6135-01-199-1185
NSN 5960-01-233-0311
NSN 5998-00-070-2394