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 5915-00-562-8971
NSN 4140-01-236-7646
NSN 5996-00-278-5193
NSN 5925-01-450-9035
NSN 5945-01-391-7181
NSN 5925-01-655-9577
NSN 6685-01-157-6932
NSN 6130-00-761-9113
NSN 6220-01-632-3851
NSN 6135-01-633-8502
NSN 6320-00-681-1324
NSN 5925-01-390-5119