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 2925-01-580-2993
NSN 5920-00-526-0462
NSN 5990-01-449-7090
NSN 5999-01-506-7345
NSN 6240-01-287-1328
NSN 6130-01-271-2900
NSN 5945-01-543-9909
NSN 5895-01-038-5781
NSN 6150-01-603-4957
NSN 5990-00-226-1152
NSN 5975-01-551-1720
NSN 6650-01-207-2905