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 4140-01-160-7699
NSN 4140-01-025-1555
NSN 5930-01-299-2711
NSN 5950-00-643-0080
NSN 4140-01-232-8998
NSN 5895-01-573-2664
NSN 5905-00-925-1618
NSN 5960-00-641-8056
NSN 5985-00-540-9460
NSN 6105-00-913-0998
NSN 5905-01-571-8206
NSN 5910-01-241-6972