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 5855-01-602-6977
NSN 6320-01-150-5378
NSN 5990-01-619-0935
NSN 6105-01-436-5952
NSN 6320-01-322-8340
NSN 5935-00-941-9315
NSN 5855-01-100-3272
NSN 5930-01-067-7870
NSN 6130-01-343-3921
NSN 5915-00-393-1850
NSN
NSN 5835-01-396-0640