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 5996-01-648-9515
NSN 6320-00-459-8973
NSN 4140-01-386-5630
NSN 6620-00-973-7946
NSN 5915-01-461-0037
NSN 6685-01-065-3511
NSN 6220-01-005-2134
NSN 5855-01-649-7398
NSN 6645-01-021-5727
NSN 6610-01-042-2279
NSN 5998-01-634-0604
NSN 5855-01-027-1571