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 6620-01-508-9702
NSN 5960-00-759-1693
NSN 5965-00-275-0491
NSN 6610-00-239-2397
NSN 5920-01-464-6224
NSN 5975-01-437-8377
NSN 5920-01-348-5986
NSN 6145-00-241-9966
NSN 5910-01-584-4884
NSN 5985-01-253-9911
NSN 5935-00-583-3152
NSN 2925-01-271-8727