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 6620-01-122-0238
NSN 4140-01-261-7953
NSN 6105-00-966-4588
NSN 5895-00-075-0495
NSN 5998-00-649-8680
NSN 6150-01-535-7016
NSN 5910-00-906-3470
NSN 6135-01-202-8113
NSN 5855-01-158-2709
NSN 6685-01-562-0601
NSN 5930-01-150-1028
NSN 5855-01-508-3575