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 5935-00-172-1679
NSN 5920-00-717-6839
NSN 6645-01-651-0039
NSN 5985-00-155-9417
NSN 6320-01-172-6103
NSN 5990-00-140-1159
NSN 5915-01-437-6552
NSN 6145-00-660-8975
NSN 5950-00-476-7142
NSN 5835-00-507-3561
NSN 6110-01-102-4448
NSN 2925-01-088-3612