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 5855-01-212-6612
NSN 5835-01-293-6453
NSN 6220-00-690-9969
NSN 6685-01-322-8516
NSN 6620-00-132-1151
NSN 5930-01-386-9311
NSN 6105-01-151-8071
NSN 5935-01-083-1231
NSN 5855-01-039-2859
NSN 5895-01-374-0596
NSN 7035-01-423-8343
NSN 6645-01-618-0007