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 6130-00-591-7988
NSN 5950-00-226-2121
NSN 6145-01-155-3534
NSN 5985-01-063-7186
NSN 5855-01-387-5224
NSN 5975-01-331-9045
NSN 6240-00-306-9214
NSN 2925-00-480-1531
NSN 5985-01-634-0635
NSN 5985-00-502-3624
NSN 6685-00-167-0940
NSN 2925-01-384-4139