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 4140-01-630-3143
NSN 5965-00-035-4556
NSN 5950-00-906-1396
NSN 4140-01-080-5114
NSN 4140-00-269-5795
NSN 5975-01-606-5680
NSN 5996-01-528-7850
NSN 6135-00-900-2139
NSN 5920-01-448-4310
NSN 6320-01-103-1655
NSN 5855-01-068-3683
NSN 6685-01-498-1077