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 4140-01-263-2180
NSN 5985-00-337-6819
NSN 6110-01-009-7744
NSN 6135-01-514-9327
NSN 5905-01-310-8460
NSN 6220-01-356-5919
NSN 5998-00-788-7455
NSN 6685-01-288-3330
NSN 5950-01-391-2476
NSN 5960-01-483-9174
NSN 5920-01-191-5303
NSN 4140-00-372-2947