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 6240-01-180-9207
NSN 6610-01-027-1641
NSN 6240-01-338-1773
NSN 4140-01-432-0292
NSN 6105-01-383-0988
NSN 6145-01-124-6688
NSN 6150-00-596-9882
NSN 5920-00-081-9156
NSN 5835-01-214-0522
NSN 6645-01-578-6815
NSN 6685-01-003-9343
NSN 6135-00-461-3590