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 5950-01-190-6480
NSN 5960-01-328-8248
NSN 6610-01-135-2149
NSN 5905-01-088-4837
NSN 6610-01-437-2506
NSN 6620-00-186-8220
NSN 2925-01-172-0176
NSN 6620-01-644-8388
NSN 4140-01-158-9515
NSN 6130-00-870-6792
NSN 5925-00-243-8694
NSN 5998-01-436-0816