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 5895-01-511-0062
NSN 6610-00-186-9180
NSN 5990-01-128-3758
NSN 6130-00-933-9081
NSN 6685-00-292-9963
NSN 6320-01-475-7654
NSN
NSN 5985-00-054-6374
NSN 5930-00-205-0136
NSN 5960-01-007-2225
NSN 6220-01-070-0826
NSN 5996-01-215-0944