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 5960-01-066-4771
NSN 5996-01-356-5579
NSN 5920-01-442-7685
NSN 7035-00-553-6951
NSN 6145-01-391-8698
NSN 4140-01-160-1742
NSN 6645-00-983-2046
NSN 5975-00-902-8238
NSN 5925-01-228-9058
NSN 6145-01-291-0809
NSN 6240-00-505-6099
NSN 6645-00-998-7820