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 6240-01-426-5581
NSN 5910-01-456-1105
NSN 6145-01-092-5604
NSN 5990-01-423-8189
NSN 6150-01-144-8953
NSN 5925-01-029-3483
NSN 6240-01-157-2935
NSN 5905-00-274-0195
NSN 6320-00-731-6134
NSN 6135-01-442-4581
NSN 5950-00-170-8477
NSN 5990-01-045-7754