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 6610-01-168-2051
NSN 6610-00-862-3597
NSN 6130-01-539-4350
NSN 5935-00-539-0851
NSN 6110-01-597-0938
NSN 5915-00-812-6476
NSN 5925-00-960-5214
NSN 6685-00-335-5884
NSN 6610-01-480-5014
NSN 6135-01-202-8113
NSN 5915-01-644-0021
NSN 6620-01-557-0583