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 5990-01-579-2711
NSN 6130-01-022-6835
NSN 5935-00-059-1388
NSN 6650-00-330-0108
NSN 6135-01-310-9866
NSN 6645-00-983-2046
NSN 5895-01-641-8869
NSN 5895-01-611-7354
NSN 6220-00-098-7923
NSN 6685-01-376-9166
NSN 7035-00-329-4015
NSN 4140-00-177-8858