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 6645-01-367-2581
NSN 6135-01-573-7164
NSN 5996-00-175-0462
NSN 4140-01-339-7142
NSN 6135-01-380-0059
NSN 5945-00-874-3474
NSN 5855-01-380-9950
NSN 4140-00-361-4691
NSN 5950-01-607-6625
NSN 5935-01-502-6690
NSN 5855-00-688-9954
NSN 6110-00-790-5533