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 6110-01-437-4974
NSN 5935-00-860-3864
NSN 5920-01-065-0395
NSN 4140-00-226-9807
NSN 5925-00-208-5637
NSN 5930-00-369-1645
NSN 5935-01-159-3325
NSN 6145-01-528-0247
NSN 5920-00-893-4985
NSN 2925-00-837-3948
NSN 5920-01-220-1380
NSN 6135-01-328-6583