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 5999-00-990-5553
NSN 6240-01-109-0362
NSN 7035-01-510-3876
NSN 5920-01-603-0985
NSN 6685-01-605-0312
NSN 5895-00-155-8581
NSN 4140-01-471-0828
NSN 5925-00-421-0580
NSN 6220-01-568-2671
NSN 5930-00-831-8515
NSN 5910-00-188-4011
NSN 7035-01-350-4247