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 5999-00-177-2625
NSN 6620-01-381-5482
NSN 5975-01-617-7080
NSN 5960-01-142-1995
NSN 4140-00-346-4507
NSN 5945-01-646-8587
NSN 6610-01-055-4147
NSN 6150-01-412-1123
NSN 6110-01-228-4618
NSN 5960-01-450-8539
NSN 6220-00-528-7752
NSN 5945-00-412-9652