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 5925-01-506-0593
NSN 5915-01-468-0053
NSN 6620-01-332-1691
NSN 6130-00-796-7232
NSN 6145-01-535-2849
NSN 5950-01-056-5157
NSN 5915-01-433-2128
NSN 6145-01-174-8826
NSN 5935-00-642-3025
NSN 5996-01-587-2616
NSN 5910-00-388-6737
NSN 5975-01-147-6353