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 6620-01-187-4130
NSN 5935-00-246-5280
NSN 6135-01-442-0890
NSN 5960-00-078-9500
NSN 6110-00-418-9363
NSN 6150-00-915-8448
NSN 5935-00-938-7556
NSN 2925-00-225-5386
NSN 5985-01-189-4446
NSN 6135-01-222-0703
NSN 6240-01-264-6637
NSN 6240-01-390-2597