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 5996-00-915-3164
NSN 6240-00-829-4179
NSN 5910-01-172-5659
NSN 6135-01-096-0330
NSN 6610-01-369-7306
NSN 5910-01-616-7145
NSN 5935-00-362-3873
NSN 5930-01-007-4680
NSN 5895-00-580-0842
NSN 5935-00-070-9785
NSN 4140-01-307-8237
NSN 6685-01-370-3806