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 4140-00-606-9453
NSN 6135-01-485-4512
NSN 5990-01-604-0862
NSN 6135-00-990-1822
NSN 5990-01-532-0670
NSN 6110-00-426-6778
NSN 6150-01-399-2994
NSN 5925-01-357-5560
NSN 6145-00-113-6278
NSN 6145-01-237-9481
NSN 5910-00-895-3630
NSN 6645-01-651-9562