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 6620-01-542-8709
NSN 6130-00-284-1629
NSN 6130-01-632-1291
NSN 6135-01-027-7543
NSN 5990-01-471-7858
NSN 6685-00-945-3093
NSN 5998-01-440-9396
NSN 5905-01-451-0431
NSN 5996-01-272-7879
NSN 5998-01-378-8118
NSN 6240-01-151-9341
NSN 7035-00-991-6877