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 5990-01-312-2638
NSN 6685-00-642-0533
NSN 5835-01-193-6192
NSN 6110-01-406-8517
NSN 5925-01-507-2469
NSN 6110-01-435-6358
NSN 5930-00-239-9584
NSN 6105-01-314-8603
NSN 6650-01-152-9425
NSN 5930-01-222-5847
NSN 5925-00-241-1441
NSN 5950-00-109-0500