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 6620-00-932-4306
NSN 6685-01-343-8978
NSN 5975-00-440-5287
NSN 5999-00-222-1150
NSN 5975-01-642-6353
NSN 6145-01-212-6192
NSN 5998-01-236-8950
NSN 5950-00-011-9729
NSN 5965-01-396-7508
NSN 5925-01-388-2546
NSN 5835-00-262-6146
NSN 6610-01-320-1144