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 4140-01-573-7272
NSN 5930-01-579-9165
NSN 5920-01-276-6208
NSN 5999-00-937-6974
NSN 5960-01-641-5493
NSN 6620-01-111-9064
NSN 6105-00-986-8231
NSN 6110-00-172-6126
NSN 5895-01-103-4641
NSN 5999-01-530-4141
NSN 5855-01-141-8227
NSN 6135-01-421-4855