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 6145-01-079-6834
NSN 5960-01-250-1095
NSN 6220-00-240-6443
NSN 5925-01-631-8196
NSN 6610-01-105-6763
NSN 5950-00-313-9509
NSN 6220-01-171-0957
NSN 5998-00-583-5541
NSN 6650-01-513-2004
NSN 5990-00-238-3333
NSN 5975-01-051-7434
NSN 5960-01-212-1626