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 5950-00-271-3210
NSN 6110-00-702-4563
NSN 6105-00-527-7702
NSN 5935-01-156-0248
NSN 6320-01-433-0482
NSN 6620-01-381-6225
NSN 6150-01-400-4211
NSN 6645-01-022-2632
NSN 6105-01-085-6002
NSN 6645-00-155-2398
NSN 5990-01-430-3152
NSN 5999-00-244-9513