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 5915-00-342-9261
NSN 6220-00-449-6016
NSN 6650-01-137-3278
NSN 5930-01-338-3757
NSN 5855-01-342-3824
NSN 5950-00-351-6915
NSN 5985-01-649-7995
NSN 6685-01-069-4336
NSN 5998-01-643-0436
NSN 5930-01-433-4480
NSN 5996-01-031-6653
NSN 7035-01-596-5381