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 6620-01-237-5603
NSN 5855-01-479-3152
NSN 5950-01-435-4405
NSN 5998-01-298-7645
NSN 5998-01-359-4780
NSN 6620-01-483-1138
NSN 5990-01-605-4769
NSN 5935-01-415-8797
NSN 6220-01-213-6154
NSN 6145-01-207-3815
NSN 5930-01-328-7970
NSN 6650-00-299-1839