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 5999-00-111-4955
NSN 6220-01-289-3014
NSN 6150-01-230-0949
NSN 6145-01-160-7658
NSN 2925-01-434-2502
NSN 5835-01-548-1143
NSN 5895-01-550-3850
NSN 6610-01-202-7404
NSN 5998-00-238-1822
NSN 2925-00-194-7407
NSN 5950-00-254-3373
NSN 5925-00-807-7491