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 5925-01-425-4332
NSN 5990-01-378-7349
NSN 5935-00-168-4499
NSN 5905-01-318-8048
NSN 5905-01-281-2938
NSN 6105-01-634-0322
NSN 7035-00-442-1869
NSN 6240-01-649-6937
NSN 5950-00-883-6449
NSN 5975-01-302-6335
NSN 6320-01-157-9076
NSN 6135-01-226-4071