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 2925-01-140-8957
NSN 6150-01-116-6898
NSN 6145-01-545-5263
NSN 6130-01-187-4415
NSN 6220-00-111-4051
NSN 6620-01-508-1996
NSN 5905-00-567-4959
NSN 5960-01-092-0163
NSN 5960-00-906-6087
NSN 5920-00-931-7979
NSN 4140-01-409-1434
NSN 5965-00-500-5826