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 5935-00-131-1261
NSN 5925-00-173-3438
NSN 5990-01-561-0737
NSN 2925-01-580-2993
NSN 5960-01-317-3202
NSN 5999-01-189-6277
NSN 6145-01-391-4113
NSN 5996-01-458-3885
NSN 5960-01-225-9147
NSN 5930-01-120-9180
NSN 6110-01-325-8943
NSN 5998-01-326-8785