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 6685-01-353-4647
NSN 5855-01-378-1888
NSN 2925-00-735-4979
NSN 5935-01-127-3818
NSN 5990-00-912-8921
NSN 5965-00-722-7574
NSN 5998-00-917-7529
NSN 6610-01-573-4394
NSN 5925-01-467-9910
NSN 5990-00-150-6979
NSN 6240-01-507-3609
NSN 2925-00-953-0625