Fds manual, chapter7, pg 7-133, index no. 9
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 5925-01-569-4427
NSN 6145-01-563-8599
NSN 5910-01-208-3545
NSN 6240-00-204-9355
NSN 7035-01-658-8075
NSN 6320-01-618-7800
NSN 5998-00-243-7459
NSN 5985-00-133-4666
NSN 6240-01-391-8915
NSN 5910-01-422-4924
NSN 6130-01-204-1992
NSN 5915-01-542-3452