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 5930-01-412-7759
NSN 6130-01-421-4296
NSN 2925-00-391-0331
NSN 6320-01-504-3948
NSN 5999-00-123-9950
NSN 5855-00-361-0167
NSN 6105-01-338-6249
NSN 5960-01-078-3418
NSN 5999-00-420-1483
NSN 5998-01-442-0972
NSN 5895-01-587-3550
NSN 5855-01-421-1440