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 5990-01-267-6971
NSN 5950-00-054-7226
NSN 5999-01-372-9605
NSN 5996-01-462-3656
NSN 6685-01-308-0051
NSN 6685-00-230-4267
NSN 5996-01-014-6103
NSN 5915-01-512-8851
NSN 6650-01-303-7964
NSN 5996-01-398-8197
NSN 5990-01-262-7981
NSN 4140-01-488-5980