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 6685-00-526-9433
NSN 4140-01-500-1187
NSN 5999-01-113-7443
NSN 5996-01-099-7063
NSN 5975-00-688-4625
NSN 2925-01-658-4470
NSN 6150-00-574-5981
NSN 4140-00-139-0701
NSN 5950-01-461-7010
NSN 5835-00-373-2671
NSN 5855-01-504-4750
NSN 5999-00-146-8706