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 6610-01-575-2406
NSN 6685-01-215-8125
NSN 6220-00-211-6276
NSN 5910-01-181-5677
NSN 6220-01-546-4863
NSN 6105-01-443-0973
NSN 4140-00-078-9357
NSN 5915-00-642-9997
NSN 5950-01-657-9448
NSN 5975-00-689-6396
NSN 6130-00-562-1917
NSN 5925-00-918-3023