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 5915-01-573-5980
NSN 6220-01-584-3388
NSN 5998-00-442-0495
NSN 7035-01-270-0325
NSN 5925-00-168-3786
NSN 6105-00-079-9323
NSN 6650-01-598-0954
NSN 5950-01-180-9975
NSN 6650-01-279-0658
NSN 5905-00-477-3039
NSN 6685-00-383-5488
NSN 6135-00-500-2082