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 5990-01-176-2724
NSN 6220-00-437-7851
NSN 5999-01-205-7533
NSN 6145-00-925-2004
NSN 5975-01-562-9311
NSN 5930-00-653-3918
NSN 5950-01-459-7758
NSN 6620-01-438-0415
NSN 6685-01-407-6445
NSN 5998-00-388-0259
NSN 6685-01-386-6322
NSN 5925-00-597-1558