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 5905-01-121-1130
NSN 5910-00-451-3249
NSN 5960-01-392-6982
NSN 6130-01-302-8606
NSN 5996-01-258-6550
NSN 4140-01-391-5839
NSN 5945-01-230-4850
NSN 6130-01-362-9413
NSN 5905-01-197-5427
NSN 5930-01-292-2360
NSN 7035-00-800-0770
NSN 6685-01-493-6046