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 5905-01-445-5923
NSN 6150-01-441-0232
NSN 6150-00-233-6356
NSN 5975-00-419-9812
NSN 6320-00-925-0558
NSN 6610-01-361-8965
NSN 6610-01-209-2524
NSN 6685-01-352-6569
NSN 5975-01-204-9325
NSN 6135-01-361-1776
NSN 4140-01-264-0885