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 6320-00-593-0379
NSN 5985-00-184-4311
NSN 6320-01-539-4789
NSN 4140-01-116-1615
NSN 4140-01-443-3806
NSN 2925-01-600-2309
NSN 5950-01-206-4800
NSN 6650-00-299-9681
NSN 4140-01-351-3892
NSN 4140-01-526-1066
NSN 6150-01-418-7756
NSN 4140-01-265-0731