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 5915-00-243-9589
NSN 6650-00-757-5230
NSN 6685-01-337-1408
NSN 5996-00-158-8738
NSN 5999-01-422-2962
NSN 6110-01-633-9660
NSN 6320-01-089-9086
NSN 5960-00-735-2555
NSN 5915-01-560-5493
NSN 5996-01-630-2492
NSN 5999-01-455-0664
NSN 6610-01-036-4525