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 6650-00-023-5054
NSN 6620-01-533-5023
NSN 5999-01-301-7310
NSN 6645-01-256-3375
NSN 5960-00-960-6805
NSN 6130-01-630-2455
NSN 5935-01-392-1161
NSN 6110-00-539-9543
NSN 6135-01-633-8502
NSN 5855-00-292-5086
NSN 4140-01-578-0490
NSN 6620-01-138-0089