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 2925-00-115-5857
NSN 5960-01-130-6413
NSN 6135-00-299-6918
NSN 6610-00-536-4977
NSN 5990-00-905-9556
NSN 4140-01-467-1986
NSN 6130-01-184-3225
NSN 6645-01-419-8768
NSN 6145-01-422-1830
NSN 5990-00-104-1617
NSN 6610-01-211-6182
NSN 5999-00-160-1386