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 6610-00-939-6510
NSN 6145-01-493-6364
NSN 5935-01-285-2451
NSN 5999-01-304-7152
NSN 5965-00-263-6436
NSN 6645-01-364-2211
NSN 6685-00-596-8765
NSN 5945-00-949-1132
NSN 5985-01-194-3096
NSN 6610-01-338-0628
NSN 5910-00-270-6876
NSN 6650-01-152-0665