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 4140-00-401-3123
NSN 6645-00-574-9712
NSN 5855-01-330-0088
NSN 5945-00-450-9391
NSN 5855-00-361-0167
NSN 5930-00-548-1821
NSN 5945-01-310-7291
NSN 5920-00-285-2245
NSN 5905-01-629-7115
NSN 5915-01-013-8995
NSN 6110-00-188-9874
NSN 4140-00-289-9263