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 5990-01-120-1910
NSN 5855-01-550-1057
NSN 5935-01-203-2809
NSN 7035-00-238-3662
NSN 5996-00-205-2933
NSN 6650-00-292-9106
NSN 6220-01-015-4767
NSN 2925-00-881-3770
NSN 6145-01-139-1477
NSN 6320-00-593-0379
NSN 2925-01-535-7235
NSN 5945-01-039-3600