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 6135-01-543-4256
NSN 5996-01-422-8103
NSN 5998-01-649-5041
NSN 6240-01-521-2921
NSN 5855-01-231-4945
NSN 5915-00-959-5454
NSN 6145-01-243-9547
NSN 6130-00-188-7928
NSN 5960-01-142-1995
NSN 5996-00-771-0952
NSN 6105-01-308-8426
NSN 6620-01-633-8443