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 4140-01-339-0090
NSN 6240-01-104-5085
NSN 7035-00-445-9657
NSN 5965-01-051-0126
NSN 6685-01-653-5477
NSN 6610-00-253-7676
NSN 5935-01-415-1775
NSN 5910-00-229-7910
NSN 6610-00-315-9315
NSN 5950-00-590-0099
NSN 5935-01-442-5216
NSN 5855-01-394-7125