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 5975-01-437-4005
NSN 5895-00-299-1601
NSN 5950-01-458-7608
NSN 6650-01-626-9161
NSN 6135-01-477-2744
NSN 5915-01-346-6209
NSN 4140-00-823-9194
NSN 6145-00-988-6906
NSN 5930-00-437-4077
NSN 6650-01-014-4581
NSN 5965-01-464-7983
NSN 5950-00-584-4571