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 5998-01-456-0065
NSN 5925-01-437-5902
NSN 5945-00-980-0730
NSN 6620-01-147-5615
NSN 6610-00-526-4394
NSN 5905-00-862-0150
NSN 5935-01-275-0802
NSN 5915-01-268-0676
NSN 5910-01-651-7568
NSN 5975-00-157-1036
NSN 6320-01-177-3192
NSN 5998-01-551-1232