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 5999-00-957-0204
NSN 6145-01-348-8602
NSN 4140-01-462-2487
NSN 6220-01-519-2892
NSN 2925-01-364-7926
NSN 5930-00-955-2304
NSN 6650-01-602-4580
NSN 5985-01-571-7480
NSN 6650-00-944-1399
NSN 6240-01-547-2026
NSN 6110-01-553-4777
NSN 6685-01-223-6146