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 2925-01-011-5619
NSN 6610-01-151-7669
NSN 5996-00-316-3386
NSN 5925-01-031-1473
NSN 6135-00-968-8594
NSN 6610-01-310-3313
NSN 7035-01-575-6540
NSN 4140-00-351-7085
NSN 5855-01-112-7725
NSN 5905-01-342-2800
NSN 5915-01-426-8862
NSN 5945-01-204-1978