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 4140-01-183-5451
NSN 5999-01-286-5133
NSN 5996-00-838-7841
NSN 4140-01-587-3998
NSN 5998-01-555-8467
NSN 4140-01-466-3852
NSN 4140-01-044-2880
NSN 5950-01-540-5414
NSN 5945-01-354-8933
NSN 5975-01-498-1618
NSN 6105-01-535-7921
NSN 6135-01-286-9563