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 6240-01-345-1663
NSN 6320-00-894-1644
NSN 5925-01-535-3789
NSN 5999-01-553-0267
NSN 6240-01-261-4958
NSN 6105-00-949-2100
NSN 5925-01-492-3308
NSN 2925-00-247-6248
NSN 6610-01-211-8956
NSN 6135-00-062-5080
NSN 5950-01-564-7699
NSN 6135-01-411-3212