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 5990-01-037-9801
NSN 5915-01-365-7340
NSN 2925-00-246-3077
NSN 6320-01-451-0821
NSN 5915-01-403-2599
NSN 5905-00-243-9520
NSN 5895-01-424-7799
NSN 5855-01-418-0089
NSN 6105-01-089-9143
NSN 6130-00-959-5800
NSN 6105-01-126-4937
NSN 5975-00-197-9762