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 6645-00-613-2378
NSN 5975-01-080-2679
NSN 7035-00-624-7265
NSN 6685-01-634-0611
NSN 6130-00-189-8000
NSN 7035-01-304-2013
NSN 6320-01-173-7950
NSN 6110-01-362-3141
NSN 7035-01-357-7786
NSN 5945-00-360-6512
NSN 6685-01-623-7029
NSN 5990-00-736-8778