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 5996-00-467-1429
NSN 6685-01-462-9114
NSN 5935-01-089-7920
NSN 6145-00-471-3975
NSN 6220-01-030-2697
NSN 6135-00-461-3590
NSN 6610-00-225-9886
NSN 6145-01-381-0032
NSN 5930-01-259-3727
NSN 5998-01-524-3530
NSN 6135-00-112-8637
NSN 7035-00-215-3272