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 5945-00-950-2625
NSN 4140-00-107-8212
NSN 5945-00-907-7389
NSN 5960-00-953-2103
NSN 6150-01-455-9732
NSN 5960-01-059-1632
NSN 6240-00-591-6836
NSN 4140-01-634-0330
NSN 6130-00-904-1716
NSN 5930-01-390-0854
NSN 6685-00-379-4652
NSN 6150-00-419-0505