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 5930-01-225-7826
NSN 6110-01-522-6086
NSN 5915-00-286-3272
NSN 4140-01-158-1401
NSN 6130-01-615-8789
NSN 5915-01-406-2626
NSN 6620-01-536-7799
NSN 2925-01-581-3273
NSN 5930-01-396-0196
NSN 5910-01-584-7878
NSN 5990-01-147-5225
NSN 5925-01-290-1906