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 5855-01-201-4857
NSN 6110-01-180-8967
NSN 5935-00-840-5485
NSN 6220-00-119-4190
NSN 2925-01-248-4039
NSN 6610-00-169-4195
NSN 5835-01-366-5906
NSN 5950-00-096-5295
NSN 5990-01-421-5342
NSN 6130-00-036-6270
NSN 5999-00-604-0722
NSN 5855-01-657-7657