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 5925-01-231-9348
NSN 5990-01-283-7062
NSN 6150-01-430-7207
NSN 5905-01-398-7557
NSN 5915-00-349-9465
NSN 2925-01-143-0092
NSN 5998-01-484-1873
NSN 6685-01-634-0611
NSN 6130-01-464-9558
NSN 6240-01-236-9330
NSN 6135-01-154-3526
NSN 5990-01-448-2751