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 2925-01-368-5773
NSN 6320-01-462-3555
NSN 5996-01-331-1432
NSN 5960-01-604-1158
NSN 5915-00-553-8755
NSN 5945-01-437-0880
NSN 6135-01-400-2947
NSN 6650-00-361-8222
NSN 5965-00-529-0602
NSN 6650-01-521-2077
NSN 6145-00-161-5415
NSN 5996-00-522-6410