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 6105-00-601-9771
NSN 5945-01-444-0971
NSN 5835-01-472-5239
NSN 4140-01-594-6862
NSN 6320-00-583-3104
NSN 5925-01-533-5786
NSN 5895-00-477-7823
NSN 5975-01-497-8515
NSN 2925-01-620-9673
NSN 5905-01-344-8220
NSN 5998-00-086-8262
NSN 5930-01-213-6519