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 5925-00-869-1630
NSN 5920-00-644-3285
NSN 5895-00-781-5420
NSN 6620-01-371-1655
NSN 5835-00-503-2608
NSN 5855-00-337-3679
NSN 5999-00-255-3871
NSN 5998-00-258-4992
NSN 6110-00-566-8923
NSN 6645-01-479-5364
NSN 5915-01-616-3485
NSN 6150-01-462-2642