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 6320-01-176-8367
NSN 6645-01-441-2762
NSN 6645-01-573-0553
NSN 6240-00-905-5680
NSN 5910-01-610-7734
NSN 6105-01-193-8876
NSN 6645-01-579-4247
NSN 5855-00-797-8217
NSN 6145-01-280-8067
NSN 5945-00-180-8374
NSN 6145-01-158-2125
NSN 5996-01-543-3543