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 5915-00-617-5054
NSN 5960-00-168-1678
NSN 6135-01-502-0018
NSN 5925-00-822-0261
NSN 5999-00-633-7592
NSN 6650-00-888-7956
NSN 2925-01-580-8072
NSN 2925-01-534-7314
NSN 7035-01-038-3165
NSN 5950-01-624-2700
NSN 5975-01-409-2948
NSN 6650-00-894-8634