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 5925-01-345-1422
NSN 5920-00-081-9156
NSN 6620-00-358-7160
NSN 5996-01-576-1975
NSN 5855-01-053-0679
NSN 6320-01-250-0290
NSN 5985-01-139-1004
NSN 6145-01-340-8686
NSN 5985-01-352-8960
NSN 5920-00-462-1121
NSN 6645-00-250-4680
NSN 6240-01-411-5425