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 6220-01-307-0253
NSN 4140-01-617-0573
NSN 5925-00-896-7403
NSN 5985-00-180-5828
NSN 5999-01-250-8928
NSN 5895-00-786-3438
NSN 5990-01-590-4515
NSN 6110-00-126-4875
NSN 5935-01-646-8128
NSN 5905-01-380-7417
NSN 6220-00-289-9915
NSN 5996-01-615-4356