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.
NSN 4140-01-595-0741
NSN 5915-01-262-1159
NSN 5985-00-621-0400
NSN 6685-01-311-2012
NSN 6135-00-134-6648
NSN 5965-01-440-4731
NSN 6620-00-118-1983
NSN 5855-00-918-1622
NSN 5965-00-995-6636
NSN 5920-01-517-1158
NSN 7035-01-340-3272
NSN 6650-01-495-8031