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 5996-00-531-8835
NSN 5950-00-290-8090
NSN 5925-01-660-5371
NSN 5950-01-490-2016
NSN 5998-01-105-7579
NSN 5930-01-605-0162
NSN 6650-00-623-5969
NSN 6110-01-154-0002
NSN 5945-01-212-7912
NSN 7035-00-145-9138
NSN 6320-01-607-1491
NSN 5905-00-661-2395