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 6135-00-838-0706
NSN 6650-01-212-3964
NSN 6240-01-289-4536
NSN 6610-00-622-6227
NSN 6650-01-230-5155
NSN 6610-01-579-2984
NSN 5960-01-008-8902
NSN 5835-01-045-6371
NSN 6145-01-581-9900
NSN 6620-01-547-7758
NSN 6685-01-086-3821
NSN 5975-01-472-6642