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 4140-01-556-4259
NSN 5985-01-380-9706
NSN 5998-01-578-5013
NSN 5930-01-464-4233
NSN 6105-01-395-5234
NSN 5990-00-249-7887
NSN 6240-01-461-9635
NSN 6220-01-659-5631
NSN 5998-00-107-8278
NSN 6145-00-507-1219
NSN 5996-01-598-9071
NSN 4140-00-910-3425