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 4140-01-420-0354
NSN 5925-00-519-3657
NSN 6105-00-083-0520
NSN 6645-01-399-1626
NSN 6320-01-631-7828
NSN 5910-01-322-5964
NSN 6620-01-133-4193
NSN 5999-01-253-0077
NSN 5996-00-775-6076
NSN 5930-01-563-7702
NSN 6150-00-959-5565
NSN 5960-01-340-4487