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 6145-01-135-8243
NSN 6135-01-230-4399
NSN 6620-01-207-0667
NSN 6220-01-011-0865
NSN 4140-01-509-4574
NSN 5998-01-280-2871
NSN 5910-01-226-2891
NSN 6685-00-299-8496
NSN 5998-01-480-1490
NSN 5990-01-364-1942
NSN 6645-01-239-8133
NSN 5930-01-523-1390