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 4140-01-284-5722
NSN 5910-01-371-3110
NSN 6240-01-480-8996
NSN 5985-01-032-2488
NSN 6240-00-283-3553
NSN 6645-00-144-4868
NSN 5915-01-633-9845
NSN 5996-01-275-5712
NSN 6650-01-567-8552
NSN 6135-00-500-2082
NSN 6685-01-444-3117
NSN 6685-01-497-8732