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 5990-01-544-4360
NSN 5945-00-933-7995
NSN 6610-00-937-3798
NSN 6620-01-383-1997
NSN 6135-00-182-7008
NSN 5855-01-346-7682
NSN 5985-01-400-5948
NSN 6685-01-039-5912
NSN 5945-01-535-1645
NSN 5998-00-992-5544
NSN 6105-00-079-0044
NSN 5925-00-080-9763