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 6650-00-775-6560
NSN 5905-01-100-9600
NSN 6130-01-252-8823
NSN 5960-00-995-2554
NSN 2925-00-251-0105
NSN 5990-01-292-6000
NSN 6220-01-015-4767
NSN 5960-00-127-5594
NSN 5925-00-808-9514
NSN 6130-00-337-8054
NSN 5990-01-421-3325
NSN 5998-01-068-3055