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 4140-01-313-3733
NSN 5990-01-393-4808
NSN 5930-01-115-6944
NSN 6145-00-404-7387
NSN 5920-01-315-5795
NSN 5960-00-834-4045
NSN 5905-01-497-2453
NSN 5990-01-439-4643
NSN 5915-00-373-0856
NSN 6645-01-573-2536
NSN 6240-01-016-6098
NSN 6620-01-098-9866