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 6240-00-400-7980
NSN 6620-01-472-6461
NSN 5935-01-408-5988
NSN 7035-01-290-7174
NSN 6135-01-010-0891
NSN 5905-01-442-2906
NSN 6650-01-415-8984
NSN 5835-01-286-6499
NSN 5895-01-567-6573
NSN 5905-00-402-9617
NSN 6150-01-239-1974
NSN 6645-01-076-4655