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 5905-01-630-5279
NSN 6220-00-432-5320
NSN 5895-01-212-9165
NSN 5915-01-535-1185
NSN 6130-00-185-9098
NSN 5895-00-564-2041
NSN 2925-01-583-5619
NSN 5935-00-531-1622
NSN 6685-01-454-9269
NSN 5960-01-520-3540
NSN 6105-01-345-6670
NSN 5855-01-508-6917