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 4140-01-346-1322
NSN 5925-01-088-6863
NSN 6135-01-056-4609
NSN 6145-01-015-1737
NSN 5905-01-340-5048
NSN 6620-00-456-0404
NSN 6105-01-150-3249
NSN 5895-01-415-5786
NSN 7035-01-215-2449
NSN 6145-01-010-7302
NSN 5990-00-242-3754
NSN 5960-01-249-4550