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 6620-00-421-2223
NSN 5960-00-443-1483
NSN 7035-01-017-2702
NSN 6320-00-433-2773
NSN 6135-00-087-5300
NSN 6220-01-254-7921
NSN 6130-00-231-3929
NSN 5930-01-646-7180
NSN 6650-01-217-7875
NSN 4140-01-249-7948
NSN 6645-00-127-3835
NSN 6240-01-583-5067