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 6610-01-461-8180
NSN 4140-00-580-2742
NSN 5960-00-180-8284
NSN 6610-01-566-8198
NSN 6320-01-260-7390
NSN 6645-00-845-1071
NSN 6320-00-456-2092
NSN 6145-01-010-3402
NSN 6650-00-344-9500
NSN 4140-01-466-7195
NSN 5915-01-626-3674
NSN 5990-01-449-7090