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 6620-01-210-4401
NSN 5855-01-630-4299
NSN 5945-00-409-9575
NSN 5910-01-626-8988
NSN 5915-00-594-7786
NSN 5855-00-631-4565
NSN 6130-01-221-7682
NSN 5998-01-509-1309
NSN 5950-00-177-3055
NSN 5965-00-757-3403
NSN 5835-00-905-7165
NSN 5998-00-733-7717