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 2925-00-519-0766
NSN 6610-01-573-2697
NSN 6130-00-538-6277
NSN 5905-01-492-9692
NSN 7035-01-412-8322
NSN 6320-00-593-0379
NSN 5930-01-221-1056
NSN 5985-01-544-1403
NSN 6150-00-607-5421
NSN 6320-01-382-9676
NSN 6145-01-415-1743
NSN 5895-01-317-8429