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 4140-00-925-4149
NSN 5930-01-289-7642
NSN 5965-00-348-4165
NSN 6220-00-174-4749
NSN 5910-01-641-9229
NSN 2925-01-277-3508
NSN 5975-01-545-7750
NSN 6685-00-227-6750
NSN 5998-00-777-4417
NSN 5996-00-161-4202
NSN 5905-00-227-0117
NSN 5920-01-293-2354