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 5998-01-054-4180
NSN 5975-01-281-7165
NSN 6135-00-411-3171
NSN 5895-00-614-9813
NSN 5925-01-374-6366
NSN 5985-00-980-0408
NSN 5990-00-924-4167
NSN 4140-00-254-7257
NSN 6135-01-373-2518
NSN 6685-01-055-6057
NSN 4140-00-057-7298
NSN 6145-00-730-1545