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 6685-01-455-6688
NSN 5835-00-518-4507
NSN 5855-01-634-0259
NSN 5910-00-420-3260
NSN 6110-01-542-8321
NSN 6220-00-426-6340
NSN 6610-01-630-5515
NSN 6135-01-238-2878
NSN 5855-01-184-8089
NSN 6320-01-585-8468
NSN 5930-01-218-6533
NSN 5910-00-144-4383