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 5905-00-971-2139
NSN 5895-00-525-3295
NSN 6320-01-532-6746
NSN 2925-01-104-8163
NSN 5996-01-649-7993
NSN 7035-01-380-6538
NSN 5996-00-275-1651
NSN 6650-01-563-6732
NSN 5960-01-097-6817
NSN 5960-01-476-5686
NSN 5985-00-636-8689
NSN 2925-00-127-7828