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 6620-00-581-8984
NSN 6110-01-155-4048
NSN 6320-01-261-5983
NSN 6110-00-732-2054
NSN 5960-01-467-7516
NSN 6240-01-407-5690
NSN 5835-00-166-9413
NSN 2925-01-226-6126
NSN 5975-00-500-0166
NSN 5905-01-194-3660
NSN 6145-01-534-9684
NSN 5855-00-688-9954