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 6645-01-605-4351
NSN 6220-01-024-9444
NSN 6110-01-349-5360
NSN 5835-01-290-4397
NSN 5996-01-502-7877
NSN 6135-00-798-1425
NSN 2925-01-607-4340
NSN 5990-01-414-7618
NSN 5999-01-204-1750
NSN 5915-01-166-7135
NSN 5910-01-598-6850
NSN 5996-01-306-4529