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 6610-01-450-5688
NSN 5935-00-512-2703
NSN 6320-01-631-7828
NSN 2925-00-450-7783
NSN 5999-01-145-5084
NSN 6645-01-067-0780
NSN 5965-00-529-0602
NSN 5960-01-015-2610
NSN 5935-00-171-8837
NSN 6145-01-212-7990
NSN 5960-01-321-2750
NSN 6685-00-091-9378