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 5990-01-443-2931
NSN 5930-01-034-0512
NSN 5999-00-260-0471
NSN 6130-00-177-6466
NSN 5905-00-097-1174
NSN 6220-01-519-9305
NSN 6685-01-523-6219
NSN 6620-01-443-8431
NSN 6145-00-236-0012
NSN 5895-01-273-8969
NSN 5965-00-871-8987
NSN 5925-01-211-7745