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 4140-01-138-4889
NSN 6320-00-519-0770
NSN 5960-01-481-8051
NSN 6135-01-032-8887
NSN 5965-00-281-0319
NSN 6135-00-134-6648
NSN 5950-01-579-4055
NSN 5985-01-200-0506
NSN 4140-01-260-6182
NSN 5990-00-345-8967
NSN 5910-00-357-0263
NSN 5930-00-836-6734