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 5905-01-230-5887
NSN 2925-00-824-2186
NSN 6135-01-466-0192
NSN 6220-01-286-4249
NSN 6110-00-003-3363
NSN 6610-01-221-2606
NSN 6135-01-014-9755
NSN 6135-00-628-1142
NSN 5996-00-201-8861
NSN 5999-01-567-1448
NSN 4140-01-227-9332
NSN 5920-00-400-6227