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 6685-00-081-2044
NSN 6320-01-054-3046
NSN 6685-00-415-4685
NSN 6620-00-956-2605
NSN 6130-00-186-0737
NSN 6610-01-174-6820
NSN 5950-01-020-7590
NSN 6620-01-228-1571
NSN 5985-01-261-4607
NSN 5925-00-175-9349
NSN 5960-01-055-6675
NSN 6135-01-633-8502