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 4140-01-158-6976
NSN 6620-01-430-4111
NSN 2925-01-384-4139
NSN 6610-01-151-9454
NSN 6135-00-246-0324
NSN 6240-00-617-1818
NSN 5990-01-578-5382
NSN 5910-00-349-3723
NSN 5905-01-094-5888
NSN 6645-01-256-6376
NSN 5965-01-046-9619
NSN 5996-00-722-4944