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 5910-01-187-1912
NSN 5915-00-229-1474
NSN 5935-00-244-6065
NSN 5925-00-584-7189
NSN 6110-01-532-6275
NSN 5996-01-242-9710
NSN 5990-01-506-7695
NSN 5930-01-343-7790
NSN 5925-01-540-0927
NSN 6610-01-435-5425
NSN 5965-01-107-8549
NSN 6320-00-572-5753