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 5990-01-452-0911
NSN 6150-00-596-9253
NSN 5960-01-573-6483
NSN 6135-01-210-8715
NSN 5950-01-499-1732
NSN 5915-00-127-2227
NSN 5998-00-460-8161
NSN 5975-01-467-8558
NSN 6650-01-027-1181
NSN 5855-00-361-0167
NSN 6240-00-643-0920
NSN 6610-01-442-3509