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 4140-01-473-9080
NSN 6610-01-065-1073
NSN 5950-01-168-7568
NSN 2925-01-233-8545
NSN 5996-00-278-5193
NSN 6135-00-221-4720
NSN 5855-00-237-4088
NSN 5910-00-586-6103
NSN 5895-01-542-7001
NSN 5915-00-006-3205
NSN 5960-01-503-0362
NSN 6650-00-937-5319