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 6110-01-128-0681
NSN 6685-00-956-2002
NSN 5930-00-984-6394
NSN 6150-01-444-7452
NSN 5935-00-887-6700
NSN 5935-01-199-2385
NSN 6105-01-164-8932
NSN 6130-01-605-7482
NSN 6220-01-342-9961
NSN 6320-01-253-1028
NSN 5998-01-617-2168
NSN 5925-01-129-4135