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 6220-01-207-0523
NSN 6620-01-135-7846
NSN 2925-01-285-7163
NSN 5965-01-086-0081
NSN 6320-00-908-6841
NSN 4140-01-035-5530
NSN 6105-01-026-7842
NSN 6130-00-039-8534
NSN 6620-01-465-7615
NSN 6145-00-797-3454
NSN 5960-00-834-0571
NSN 4140-01-333-0592