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 5855-00-118-8762
NSN 6685-00-163-3116
NSN 6145-00-481-6646
NSN 5950-01-456-9968
NSN 6145-01-591-3203
NSN 5985-01-076-4710
NSN 5990-01-481-3080
NSN 6620-00-189-0967
NSN 6610-01-255-4544
NSN 6320-00-036-3688
NSN 5935-01-398-7726
NSN 5930-00-081-8782