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 5925-01-224-7031
NSN 6130-00-369-1627
NSN 5930-00-941-6729
NSN 5930-00-233-9886
NSN 5945-01-316-1721
NSN 5895-01-170-2194
NSN 5996-01-301-4855
NSN 7035-01-049-6776
NSN 5985-00-407-9005
NSN 6240-01-483-8619
NSN 6110-01-641-4459
NSN 5920-01-484-3703