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 5910-01-153-2651
NSN 5905-01-168-4261
NSN 6220-01-518-0249
NSN 6135-00-676-5807
NSN 5910-00-833-9291
NSN 6145-00-907-1180
NSN 5920-01-191-3488
NSN 6220-01-093-6723
NSN 6650-01-304-7168
NSN 6240-01-296-0587
NSN 5998-00-073-3604
NSN 5920-01-336-2259