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 7035-00-631-3782
NSN 5960-00-665-3154
NSN 5855-01-160-3802
NSN 5835-01-209-6410
NSN 6105-00-084-3984
NSN 5985-01-598-4702
NSN 5998-01-543-4166
NSN 6145-01-003-5323
NSN 5990-01-143-2518
NSN 6620-00-266-2763
NSN 6150-00-838-0246
NSN 6620-00-008-3280