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 5935-00-734-7578
NSN 5960-00-621-5402
NSN 6110-01-031-7185
NSN 4140-00-109-5137
NSN 5996-00-553-7348
NSN 5975-01-100-3222
NSN 2925-01-357-2512
NSN 5925-01-083-3042
NSN 6110-00-314-3208
NSN 6110-01-235-7809
NSN 2925-00-113-6146
NSN 5975-01-595-7151