Changed fsc jnl 6/10/10
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 6645-01-166-3788
NSN 4140-01-068-0140
NSN 5855-01-264-8599
NSN 6645-01-172-6838
NSN 5960-01-456-1735
NSN 6320-01-512-2031
NSN 5999-01-435-5971
NSN 5998-01-093-4522
NSN 5855-00-962-5792
NSN 5920-01-134-8547
NSN 5998-00-260-9515
NSN 5855-00-862-3345