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 4140-01-502-4457
NSN 6145-01-451-5112
NSN 6620-01-245-0184
NSN 5945-01-504-4743
NSN 5965-01-310-8943
NSN 6610-01-204-9146
NSN 6105-01-233-3109
NSN 5960-01-518-4440
NSN 5920-00-227-6586
NSN 6610-00-960-5071
NSN 5910-00-838-7129
NSN 4140-01-124-0623