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 5925-01-463-9258
NSN 5910-01-342-1190
NSN 5990-00-862-3271
NSN 5925-01-546-2708
NSN 6240-01-658-0181
NSN 5945-01-501-3217
NSN 4140-01-289-0310
NSN 5930-01-298-0792
NSN 7035-00-179-3924
NSN 5960-01-579-9493
NSN 2925-01-332-7178
NSN 4140-01-265-3151