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 5960-00-898-1845
NSN 6130-00-926-4410
NSN 6240-01-401-5340
NSN 5990-00-486-0506
NSN 6135-00-027-3914
NSN 5915-01-342-9549
NSN 6105-01-584-6454
NSN 6320-00-225-7013
NSN 6685-00-430-5471
NSN 6685-01-262-8663
NSN 5855-00-116-6621
NSN 7035-01-521-8607