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 4140-01-263-0665
NSN 6685-00-169-6505
NSN 6145-01-147-4968
NSN 6130-01-531-0820
NSN 6620-01-106-3553
NSN 5975-01-360-5583
NSN 6610-01-325-2585
NSN 6320-00-573-8034
NSN 5920-01-032-0445
NSN 5985-00-208-0572
NSN 7035-01-103-6845
NSN 5915-01-483-5125