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 5985-01-192-9439
NSN 5835-00-969-5771
NSN 6130-00-551-8316
NSN 2925-00-041-0439
NSN 6650-01-288-4300
NSN 5945-01-312-6596
NSN 6685-00-332-2655
NSN 6610-01-167-8747
NSN 5855-01-386-7323
NSN 5905-01-206-4998
NSN 6105-00-504-2822
NSN 5915-01-224-7044