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 5930-01-476-9306
NSN 6220-00-910-0320
NSN 5915-01-144-3221
NSN 6645-00-581-9239
NSN 5985-01-579-1056
NSN 6610-00-432-7162
NSN 5915-01-269-6903
NSN 5960-00-175-7620
NSN 5915-01-069-3616
NSN 5920-01-287-8409
NSN 5895-01-605-8590
NSN 6620-01-011-0880