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 6620-01-342-5953
NSN 2925-01-218-5556
NSN 4140-01-455-5170
NSN 5998-01-435-4195
NSN 6240-00-974-5925
NSN 6220-00-269-3783
NSN 5910-01-644-2661
NSN 6220-00-067-7645
NSN 6220-00-319-2276
NSN 6650-00-658-9627
NSN 5905-01-542-2936
NSN 5930-01-655-8092