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 5925-01-145-6428
NSN 5985-01-035-6567
NSN 5990-01-179-1000
NSN 5920-00-496-8006
NSN 5996-01-329-9009
NSN 5975-00-696-2597
NSN 6320-01-220-2264
NSN 6685-01-473-9527
NSN 6240-01-622-0718
NSN 5985-01-415-1246
NSN 5910-00-968-0866
NSN 6135-01-483-5269