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 6620-00-325-4693
NSN 4140-00-011-2988
NSN 5930-01-492-6590
NSN 4140-01-094-4571
NSN 5855-01-020-7982
NSN 5950-00-005-2764
NSN 5985-01-322-9168
NSN 5930-01-513-6725
NSN 5990-01-443-2931
NSN 6620-00-514-6365
NSN 2925-01-008-5696
NSN 6610-00-155-1334