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 5975-01-525-7728
NSN 6220-00-723-7806
NSN 5930-01-330-7221
NSN 6130-00-153-3136
NSN 5985-01-424-7188
NSN 5945-00-964-7678
NSN 4140-01-281-7706
NSN 6110-01-411-7478
NSN 6220-01-090-4789
NSN 5915-00-043-0371
NSN 6130-01-657-2127
NSN 6240-01-594-5703