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 5920-01-645-2747
NSN 6150-01-061-3619
NSN 5945-01-627-3061
NSN 5920-01-363-3473
NSN 6240-00-252-4501
NSN 5930-01-564-3145
NSN 6320-01-134-7267
NSN 2925-00-964-7128
NSN 5950-00-840-5230
NSN 6150-01-380-9497
NSN 5895-01-322-2715
NSN 5905-01-643-3986