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 6620-01-465-9885
NSN 6240-01-598-3097
NSN 4140-01-152-1214
NSN 5990-01-492-6575
NSN 5905-01-152-2580
NSN 5925-01-222-7441
NSN 5835-01-422-2399
NSN 6685-00-343-8230
NSN 6110-01-252-9619
NSN 5905-00-270-8104
NSN 5999-01-170-4227
NSN 2925-01-591-4030