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 5910-01-630-2031
NSN 6220-01-038-1404
NSN 6645-01-484-6498
NSN 6240-01-077-1127
NSN 5960-01-336-4239
NSN 6650-01-245-9781
NSN 5999-00-827-0703
NSN 5985-01-384-6755
NSN 6145-01-259-6439
NSN 5935-01-515-5943
NSN 6130-00-003-7464
NSN 6105-01-604-8621