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 5990-00-611-1661
NSN 6135-01-010-0891
NSN 6620-01-034-4539
NSN 5999-01-090-4528
NSN 5965-01-181-3140
NSN 5965-00-188-5531
NSN 2925-00-099-4030
NSN 5905-00-087-7157
NSN 5975-01-469-5558
NSN 6645-01-197-9090
NSN 6145-00-838-0655
NSN 7035-01-654-2543