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 6220-00-541-8515
NSN 5925-01-154-4189
NSN 5925-01-196-5123
NSN 4140-01-050-8096
NSN 5895-01-392-7859
NSN 5920-00-061-8485
NSN 5920-00-975-9834
NSN 5999-01-222-8175
NSN 5998-01-155-3987
NSN 5996-01-493-5671
NSN 2925-00-422-5159
NSN 6130-01-508-2713