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 4140-01-438-3854
NSN 4140-00-940-9595
NSN 6685-01-353-1192
NSN 5960-01-641-5493
NSN 6130-00-067-4097
NSN 6240-00-885-9448
NSN 4140-00-968-4947
NSN 5990-01-510-1430
NSN 5950-01-340-5625
NSN 5835-01-512-4834
NSN 6645-00-171-9639
NSN 5960-01-278-9394