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 5999-01-377-3618
NSN 6620-01-519-2628
NSN 5975-00-660-5962
NSN 2925-01-049-8906
NSN 5835-00-853-7785
NSN 5960-00-929-5242
NSN 5895-01-460-7745
NSN 6685-01-128-5972
NSN 5855-00-058-1293
NSN 5985-01-487-4053
NSN 5935-01-265-2261
NSN 5996-01-589-3984