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 5998-01-443-5663
NSN 6645-01-086-7668
NSN 5910-01-599-9876
NSN 7035-01-253-7253
NSN 5975-01-506-9610
NSN 6650-01-534-8357
NSN 6240-01-377-5503
NSN 5930-00-848-3945
NSN 5920-01-364-0769
NSN 5960-00-361-8409
NSN 5998-00-915-1495
NSN 6620-00-113-1380