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 5975-01-065-8833
NSN 5950-01-381-1324
NSN 5945-01-610-1005
NSN 6650-01-647-9482
NSN 5985-01-149-4652
NSN 5855-00-688-9954
NSN 6130-01-422-0304
NSN 6610-01-212-9817
NSN 6620-01-197-5436
NSN 6240-01-572-6003
NSN 6150-01-084-9866
NSN 6220-01-397-0031