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 6620-01-509-5674
NSN 5985-00-120-2197
NSN 5998-00-338-0562
NSN 6150-01-237-7448
NSN 5998-00-088-1897
NSN 5925-01-526-7064
NSN 5895-01-191-7633
NSN 5910-00-271-7588
NSN 6150-00-468-5416
NSN 6620-01-272-4746
NSN 6320-00-116-3658
NSN 6150-01-499-0659