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 5855-00-256-5562
NSN 6145-01-634-0388
NSN 6645-01-096-9719
NSN 5990-00-179-2576
NSN 6240-00-583-9863
NSN 6650-01-463-8405
NSN 5945-01-047-0187
NSN 6685-01-052-3118
NSN 5945-01-515-9681
NSN 4140-01-204-7025
NSN 5999-00-511-7162
NSN 6320-01-279-0343