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 2925-00-115-5857
NSN 6320-01-446-6775
NSN 6650-00-254-9807
NSN 5950-01-315-1397
NSN 5945-01-130-5205
NSN 5915-01-108-3837
NSN 6130-01-538-9862
NSN 4140-01-174-0646
NSN 5925-00-001-7446
NSN 5930-01-542-2503
NSN 5950-01-375-9886
NSN 6685-01-602-6130