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 6645-01-004-7768
NSN 5925-01-373-5457
NSN 5950-01-421-4138
NSN 6220-00-238-0433
NSN 5950-01-305-9734
NSN 6145-01-109-4913
NSN 6620-01-028-0504
NSN 5910-01-253-4863
NSN 5905-01-215-3980
NSN 5960-01-307-2674
NSN 4140-01-055-6355
NSN 5965-01-273-0943