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 6145-00-351-4539
NSN 6110-01-273-8864
NSN 6240-00-448-5423
NSN 6105-00-810-6935
NSN 5965-00-139-1039
NSN 6145-00-578-7522
NSN 5915-01-395-6367
NSN 2925-01-151-6969
NSN 5996-00-879-4654
NSN 5998-00-317-7215
NSN 5855-01-594-7809
NSN 5990-01-191-9624