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 4140-00-889-7990
NSN 2925-01-271-6234
NSN 6645-01-508-6028
NSN 5990-01-652-7373
NSN 5925-01-474-9120
NSN 5895-01-237-6425
NSN 6105-01-123-6069
NSN 6620-01-306-1347
NSN 6105-01-219-2204
NSN 2925-01-560-4123
NSN 6110-00-883-3505
NSN 5905-00-479-9101