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 5990-01-309-3740
NSN 6145-00-257-6820
NSN 6240-01-152-2662
NSN 6645-01-254-0490
NSN 6135-01-375-6724
NSN 5930-01-203-0350
NSN 5935-01-275-2832
NSN 5945-00-504-8993
NSN 5990-01-052-1987
NSN 5985-00-608-5518
NSN 6110-00-402-7637
NSN 2925-00-814-8745