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 6240-01-416-8399
NSN 5935-01-591-4278
NSN 6620-01-631-0700
NSN 6220-01-096-7700
NSN 6620-00-229-2728
NSN 5925-00-929-4741
NSN 5910-00-598-3674
NSN 6620-00-357-1157
NSN 6620-00-086-5223
NSN 5915-01-601-0645
NSN 6685-01-552-7593
NSN 6220-01-054-7319