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 5925-01-460-0451
NSN 5990-01-443-2931
NSN 5915-00-979-3932
NSN 5985-01-652-1831
NSN 5930-01-632-9606
NSN 6650-01-565-1471
NSN 5965-01-231-9125
NSN 5915-00-807-8547
NSN 2925-01-357-2512
NSN 5905-00-263-3453
NSN 6240-01-613-5801
NSN 6130-01-355-0730