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 5855-00-560-0110
NSN 6220-01-032-5646
NSN 6645-01-303-6792
NSN 6610-01-315-7002
NSN 6645-00-488-4432
NSN 6610-00-722-3873
NSN 5985-01-433-9173
NSN 6145-01-228-6267
NSN 5998-01-217-3348
NSN 6130-01-383-7469
NSN 5998-00-291-0687
NSN 6135-01-278-9717