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 5999-01-439-5938
NSN 6320-00-082-5868
NSN 6645-00-720-3953
NSN 5835-00-148-6026
NSN 5920-01-364-9528
NSN 6130-01-543-6480
NSN 5990-00-067-1622
NSN 5950-00-583-7892
NSN 5920-01-077-5325
NSN 6685-00-682-7459
NSN 6610-00-015-2020
NSN 5945-01-106-6981