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 5965-01-513-9978
NSN 6650-00-862-7143
NSN 6220-00-688-7854
NSN 4140-01-443-4123
NSN 2925-01-311-0446
NSN 5915-01-576-2602
NSN 5975-00-356-3686
NSN 4140-01-120-3002
NSN 5920-01-363-4163
NSN 6685-01-515-7109
NSN 5996-01-602-3992
NSN 6650-01-547-8928