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 6110-01-100-7638
NSN 6620-01-491-1434
NSN 5999-00-826-9039
NSN 6320-00-779-5923
NSN 6645-01-199-6057
NSN 5910-01-289-4870
NSN 4140-00-740-2153
NSN 5835-01-412-6901
NSN 6240-01-083-9646
NSN 5925-00-109-2218
NSN 6685-01-113-6897
NSN 6610-00-527-8892