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 5935-01-366-0853
NSN 6650-01-625-2987
NSN 5990-01-160-6978
NSN 6650-01-483-0938
NSN 6220-01-506-6066
NSN 5905-01-181-8066
NSN 5960-00-287-9932
NSN 4140-00-703-3207
NSN 5999-00-466-3226
NSN 5935-00-965-8994
NSN 7035-00-361-5975
NSN 5905-01-550-7999