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 6240-00-178-9941
NSN 5905-01-436-8253
NSN 2925-00-707-6770
NSN 5855-01-658-1044
NSN 2925-01-629-4600
NSN 5990-01-546-1649
NSN 6685-01-197-5405
NSN 6645-01-492-1055
NSN 5910-01-161-3256
NSN 7035-00-445-9657
NSN 5895-01-273-5107
NSN 6130-00-176-1664