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 4140-01-231-8578
NSN 5930-00-862-5582
NSN 5835-00-829-0670
NSN 5998-01-017-8529
NSN 6620-01-278-8028
NSN 6620-00-676-9563
NSN 2925-01-360-3575
NSN 2925-00-631-0548
NSN 5910-01-011-1740
NSN 5975-01-411-5382
NSN 6110-00-816-9715
NSN 6150-01-253-9148