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 6610-01-526-2054
NSN 6130-01-024-9557
NSN 6620-01-514-2949
NSN 5910-01-384-5725
NSN 6240-01-521-2635
NSN 5855-01-318-7663
NSN 5925-00-284-3726
NSN 6135-01-441-7922
NSN 5990-00-693-7708
NSN 6220-01-107-6313
NSN 5910-00-785-2762
NSN 5999-00-197-8792