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 5999-00-491-5677
NSN 5990-00-899-9836
NSN 6240-01-253-0687
NSN 6610-00-146-3499
NSN 6650-01-528-8230
NSN 2925-01-581-3273
NSN 5960-01-135-0463
NSN 6610-01-600-5648
NSN 5950-01-399-7260
NSN 6145-01-551-3319
NSN 6220-00-925-4645
NSN 6150-01-621-4018