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 5999-01-314-3467
NSN 5915-01-437-3572
NSN 6650-01-349-6097
NSN 6135-01-463-2445
NSN 5950-01-569-2122
NSN 5905-01-391-0662
NSN 5996-01-101-2987
NSN 5930-00-274-0171
NSN 6645-01-079-1262
NSN 5910-01-282-3927
NSN 5945-01-226-6851
NSN 4140-00-111-3247