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 6110-01-151-6156
NSN 5935-01-381-1931
NSN 6620-00-814-4770
NSN 6105-01-346-8267
NSN 4140-00-137-2493
NSN 6105-01-326-8985
NSN 5930-01-376-8874
NSN 6645-00-925-3857
NSN 5895-01-499-5001
NSN 6130-01-341-0222
NSN 7035-01-551-3930
NSN 5915-01-645-4809