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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5920-00-043-5138
NSN 6320-00-331-7138
NSN 5920-01-336-2259
NSN 5855-01-132-5139
NSN 5925-01-050-1182
NSN 6145-01-283-6491
NSN 6220-01-311-1753
NSN 5855-00-337-3679
NSN 5996-00-051-6667
NSN 5930-01-530-9843
NSN 6110-01-264-1031
NSN 6105-01-074-9074