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 5855-01-409-1792
NSN 5960-00-156-5603
NSN 6150-01-194-8319
NSN 5965-00-177-2932
NSN 5950-01-113-7834
NSN 6130-01-505-9991
NSN 5999-01-293-5946
NSN 2925-01-302-8591
NSN 5998-00-204-6452
NSN 5996-01-451-3591
NSN 6610-01-526-8855
NSN 6685-00-501-6501