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 5998-00-257-6018
NSN 5965-01-164-7982
NSN 5930-01-232-1002
NSN 5855-01-357-7907
NSN 6645-01-432-0052
NSN 5915-00-661-2223
NSN 6105-00-359-5300
NSN 4140-00-671-1121
NSN 5935-01-336-5474
NSN 5855-00-925-0114
NSN 5950-01-049-2033
NSN 2925-00-987-9595