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 5990-01-370-7912
NSN 6220-01-230-0872
NSN 6130-01-421-2411
NSN 4140-01-494-3714
NSN 6130-01-320-2179
NSN 5930-01-462-3827
NSN 6320-01-462-2295
NSN 5985-00-988-0616
NSN 5905-01-369-2869
NSN 5910-01-215-1550
NSN 5975-00-238-2336
NSN 5975-01-313-6943