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 4140-01-143-3520
NSN 5999-01-412-1405
NSN 2925-01-197-7864
NSN 5998-01-013-2053
NSN 5985-00-277-2423
NSN 5985-01-328-3508
NSN 5985-01-165-6666
NSN 6135-01-238-2878
NSN 5935-00-369-1092
NSN 6145-00-614-4075
NSN 6650-01-425-2572
NSN 2925-01-277-5882