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 5996-01-400-3558
NSN 5985-01-565-5983
NSN 5920-00-081-9156
NSN 6145-00-422-2644
NSN 5925-00-312-7941
NSN 4140-00-372-2947
NSN 5930-00-984-2950
NSN 5999-00-425-6252
NSN 7035-01-150-6303
NSN 6145-01-401-3713
NSN 7035-01-385-3628
NSN 6105-00-411-0100