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 6645-01-425-1673
NSN 5996-01-376-4552
NSN 6320-01-631-7828
NSN 5915-01-629-1907
NSN 6135-01-026-9960
NSN 4140-01-038-6029
NSN 6650-00-610-3956
NSN 5960-00-005-7132
NSN 5945-01-148-5187
NSN 2925-00-137-5120
NSN 5915-01-371-2906
NSN 7035-01-055-6806