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 5915-00-228-0114
NSN 5935-01-179-4654
NSN 6620-01-625-2855
NSN 5920-01-011-9378
NSN 6645-00-300-0401
NSN 6650-00-351-9362
NSN 6610-00-497-8473
NSN 6145-01-238-1941
NSN 6105-00-900-4143
NSN 6135-01-462-6040
NSN 6145-00-450-0477
NSN 6130-01-245-8407