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 5975-00-229-0898
NSN 4140-00-597-5260
NSN 6240-01-578-7913
NSN 6620-00-399-0087
NSN 5990-01-191-1772
NSN 5930-01-027-1082
NSN 5855-01-498-1276
NSN 6105-00-010-2386
NSN 5975-01-377-2511
NSN 6105-00-541-8472
NSN 4140-01-190-3280
NSN 6320-01-373-5287