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 4140-01-347-4891
NSN 4140-01-272-6060
NSN 6145-01-302-9522
NSN 5945-01-481-9061
NSN 6150-01-367-6680
NSN 6135-00-577-8429
NSN 5925-01-193-0171
NSN 6610-01-443-5291
NSN 6130-01-495-1499
NSN 5930-01-101-6144
NSN 4140-00-987-0195
NSN 5950-01-145-7003