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 6220-00-457-5476
NSN 6320-01-143-3597
NSN 5965-01-360-4329
NSN 5950-01-433-4485
NSN 6130-01-180-8388
NSN 5990-00-914-4261
NSN 5990-00-304-7038
NSN 5960-01-527-4845
NSN 6150-00-596-9882
NSN 5965-01-600-0566
NSN 6685-01-580-4974
NSN 5920-00-378-1395