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 4140-00-471-1452
NSN 5999-01-359-9421
NSN 5855-01-349-8583
NSN 5990-00-344-2062
NSN 6135-01-604-8739
NSN 5925-00-733-4584
NSN 5915-01-121-2287
NSN 5990-00-847-6957
NSN 5925-00-402-4018
NSN 6130-01-423-9287
NSN 5930-00-285-8727
NSN 5835-01-132-5894