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 5935-00-375-5189
NSN 5855-01-376-0363
NSN 2925-01-305-1370
NSN 5998-01-145-4426
NSN 6685-01-429-8922
NSN 5960-01-377-1907
NSN 6645-01-101-2877
NSN 5935-00-366-5789
NSN 5910-01-276-1127
NSN 6610-00-433-8700
NSN 6130-00-709-0765
NSN 6650-01-482-4284