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 5999-01-181-3420
NSN 6685-00-934-7953
NSN 6240-00-435-9730
NSN 6145-00-244-4360
NSN 5930-01-605-3896
NSN 5945-00-753-5127
NSN 5920-00-276-8657
NSN 6685-01-378-0727
NSN 6650-01-425-7362
NSN 5925-01-079-8417
NSN 6650-01-642-0367
NSN 4140-01-400-3610