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 6620-00-098-5652
NSN 5950-00-189-1433
NSN 5855-01-658-4510
NSN 4140-01-149-9066
NSN 5925-00-434-9101
NSN 5975-01-277-9482
NSN 6320-00-242-3300
NSN 6240-01-633-3863
NSN 6610-01-099-6186
NSN 6685-00-243-8071
NSN 5835-00-995-9411
NSN 6110-00-937-5800