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 5935-01-381-3063
NSN 5975-01-431-8814
NSN 6220-00-581-3858
NSN 5985-00-828-0615
NSN 6135-01-511-1975
NSN 5925-01-519-9251
NSN 6150-01-161-4401
NSN 5905-01-605-1569
NSN 6320-01-556-2011
NSN 6610-01-464-7883
NSN 5985-00-247-3675
NSN 6150-01-235-9912