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 5950-00-057-5962
NSN 5910-01-656-2913
NSN 5975-01-516-7454
NSN 6110-01-441-3729
NSN 5915-00-246-8709
NSN 4140-01-314-8251
NSN 6320-01-141-3791
NSN 5920-01-165-6881
NSN 6320-01-364-1840
NSN 6220-00-682-8292
NSN 5935-01-132-0298
NSN 5920-01-042-9351