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 5915-01-412-8667
NSN 2925-01-109-1518
NSN 5998-00-218-1360
NSN 5920-00-769-0967
NSN 5975-00-164-7661
NSN 6685-00-239-9301
NSN 5935-01-332-4750
NSN 5945-01-243-1704
NSN 5998-01-600-4085
NSN 6610-01-079-6729
NSN 5920-01-299-9695
NSN 5975-01-311-6582