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 5835-00-466-3075
NSN 6150-01-014-0794
NSN 5996-00-642-9832
NSN 6220-00-243-0804
NSN 5835-01-132-5894
NSN 6685-01-449-2180
NSN 5975-01-261-6328
NSN 5996-00-338-7089
NSN 4140-00-306-0886
NSN 5925-00-601-3126
NSN 5950-01-468-4380
NSN 6105-01-517-6533