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 4140-01-441-1307
NSN 5975-01-600-3023
NSN 6145-00-239-8393
NSN 5960-00-422-5376
NSN 6620-01-226-4065
NSN 5930-01-443-1970
NSN 5930-00-369-0614
NSN 5905-01-599-8508
NSN 6130-00-621-7997
NSN 5965-00-868-6363
NSN 5950-01-551-2051
NSN 6620-01-012-2852