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 6610-01-152-2821
NSN 6150-01-245-5337
NSN 6105-01-633-8975
NSN 2925-00-602-0869
NSN 5945-00-630-9824
NSN 6650-01-177-4398
NSN 6685-01-322-8516
NSN 6240-01-142-2963
NSN 5950-01-146-6540
NSN 2925-01-141-7563
NSN 6240-01-459-7827
NSN 5915-00-172-9160