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 5998-00-390-7694
NSN 2925-00-594-1157
NSN 6685-01-375-5571
NSN 6240-01-020-3440
NSN 5835-01-528-7454
NSN 5990-01-054-4255
NSN 5925-00-400-1561
NSN 5910-01-456-1591
NSN 5930-01-242-7539
NSN 7035-00-679-9027
NSN 5945-01-385-1607
NSN 5895-00-946-7250