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 6240-00-103-6646
NSN 5895-01-634-0630
NSN 5910-01-348-8936
NSN 5945-00-027-9330
NSN 5945-01-085-8404
NSN 2925-00-707-6770
NSN 5895-01-158-4319
NSN 6645-00-139-5694
NSN 4140-01-354-3801
NSN 6150-01-508-3482
NSN 5960-01-593-4760
NSN 5915-01-533-8556