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 6610-00-398-0104
NSN 5975-01-268-1529
NSN 6220-01-150-0648
NSN 5925-00-488-9182
NSN 5835-01-390-4667
NSN 6135-01-236-8603
NSN 7035-01-397-5009
NSN 6610-01-355-8112
NSN 6105-00-107-3315
NSN 5920-01-228-1672
NSN 4140-00-801-0067
NSN 6110-01-023-2248