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 5990-01-353-6444
NSN 6220-00-104-5365
NSN 6150-01-075-3150
NSN 6685-01-076-4703
NSN 5950-01-545-5762
NSN 5905-01-299-5572
NSN 5925-01-205-7482
NSN 5910-01-518-8257
NSN 5960-00-389-2915
NSN 6610-01-357-9188
NSN 6240-01-191-5643
NSN 5965-01-278-6877