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 4140-01-604-9981
NSN 5915-00-988-4193
NSN 6220-00-806-7220
NSN 2925-01-004-5627
NSN 6610-01-168-7943
NSN 6645-00-608-2998
NSN 5945-01-286-6596
NSN 6130-01-474-5190
NSN 6240-00-944-8204
NSN 6105-01-361-6456
NSN 6320-01-029-4220
NSN 5895-00-430-5290