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 5920-00-832-6032
NSN 5895-01-025-5688
NSN 6110-01-483-1521
NSN 5935-00-988-8972
NSN 6150-00-704-4018
NSN 4140-01-632-3907
NSN 5975-01-554-8592
NSN 6650-01-459-7155
NSN 6105-00-234-9949
NSN 5855-01-484-9948
NSN 5935-00-110-9465
NSN 2925-01-400-2286