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 4140-01-353-1579
NSN 2925-00-813-3971
NSN 5960-01-343-5912
NSN 6135-00-112-8637
NSN 5935-01-281-0065
NSN 5990-01-184-2550
NSN 6645-01-463-4314
NSN 5915-01-408-5980
NSN 5935-01-521-4288
NSN 6650-01-145-5663
NSN 6685-01-213-6245
NSN 5950-00-197-7705