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 6620-01-138-0089
NSN 5998-01-417-6405
NSN 6150-01-604-0719
NSN 6620-01-261-2985
NSN 6135-01-598-9889
NSN 5855-01-481-3906
NSN 6220-01-494-4776
NSN 5960-01-061-9166
NSN 5998-00-231-8949
NSN 6610-01-642-9557
NSN 7035-01-196-3445
NSN 5998-01-155-4766