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 5895-01-251-2751
NSN 5960-01-142-1995
NSN 5915-01-499-2205
NSN 4140-01-633-0377
NSN 4140-01-389-8850
NSN 2925-00-536-4574
NSN 5905-00-353-1659
NSN 2925-00-211-4761
NSN 6150-00-004-9959
NSN 6240-01-492-6292
NSN 5925-01-625-1802
NSN 5930-00-827-2615