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 6220-01-629-9142
NSN 6240-01-092-9747
NSN 6320-00-194-4252
NSN 5895-00-824-3442
NSN 5925-00-145-9065
NSN 6105-01-245-6772
NSN 5975-00-865-0208
NSN 5895-01-069-2479
NSN 5910-01-420-0965
NSN 6135-01-185-3614
NSN 6645-01-043-5236
NSN 4140-01-092-1098