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 6620-01-504-5756
NSN 6685-00-978-8608
NSN 5935-01-216-5064
NSN 6150-01-122-3924
NSN 5975-01-359-4020
NSN 5925-01-488-6619
NSN 5925-01-478-0205
NSN 6135-00-983-9187
NSN 5920-01-315-4862
NSN 5945-01-588-0227
NSN 6150-00-459-8470
NSN 4140-01-301-1819