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 6320-01-582-6668
NSN 5998-00-353-1427
NSN 5950-00-035-5000
NSN 5975-01-502-7627
NSN 6620-01-129-4790
NSN 6145-01-625-0174
NSN 6645-01-165-3785
NSN 7035-01-058-1935
NSN 6240-01-224-7656
NSN 6645-00-943-9063
NSN 5960-00-195-6435
NSN 6645-01-216-8682