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 5996-01-288-5955
NSN 4140-00-399-5994
NSN 6145-00-398-4405
NSN 5950-00-878-6581
NSN 5895-01-648-5157
NSN 5998-01-437-7040
NSN 5996-01-516-4518
NSN 5999-01-609-8691
NSN 5990-01-579-2711
NSN 5950-01-172-6106
NSN 6685-01-406-2919
NSN 6620-00-684-6771