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 5930-01-449-4492
NSN 4140-00-720-4993
NSN 6610-00-601-5049
NSN 6145-01-010-1896
NSN 6320-01-578-6006
NSN 6105-00-707-5962
NSN 5965-01-415-6351
NSN 6110-01-394-1333
NSN 7035-00-902-8995
NSN 5915-01-403-2599
NSN 5975-00-549-9431
NSN 5965-00-289-6280