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 5905-01-040-8698
NSN 5990-01-529-7307
NSN 5998-00-986-8850
NSN 5915-01-656-3718
NSN 6135-01-068-0119
NSN 6320-00-894-1644
NSN 5985-01-425-1429
NSN 4140-01-507-6627
NSN 6145-01-571-0921
NSN 5910-01-432-3495
NSN 5999-01-623-6723
NSN 5998-01-547-3343