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 6150-01-448-2693
NSN 4140-00-260-9521
NSN 5985-01-330-2848
NSN 5915-01-195-6083
NSN 6685-01-385-0222
NSN 5935-01-413-9041
NSN 5855-00-928-1912
NSN 6105-01-401-5361
NSN 6150-00-472-5247
NSN 5895-01-152-2820
NSN 7035-01-213-5590
NSN 6240-01-032-9585