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 5990-01-601-7332
NSN 7035-01-605-2346
NSN 5910-00-165-9333
NSN 5996-01-496-5949
NSN 2925-00-739-5090
NSN 6110-00-316-5450
NSN 6685-00-455-9941
NSN 6135-00-100-8890
NSN 5930-01-312-1852
NSN 6130-01-354-7865
NSN 6620-00-753-0745
NSN 5895-01-224-2725