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 4140-01-400-3610
NSN 2925-00-774-8247
NSN 5996-01-121-2567
NSN 5996-00-731-1759
NSN 6620-00-905-6590
NSN 5965-00-537-4844
NSN 5990-01-498-0641
NSN 6645-01-086-7668
NSN 7035-01-106-3476
NSN 6130-01-029-8786
NSN 6240-00-079-0112
NSN 6145-01-634-0388