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 5985-00-376-1852
NSN 6240-01-644-2912
NSN 6105-00-992-7167
NSN 6685-01-554-8278
NSN 5996-01-531-0521
NSN 5950-01-076-2206
NSN 6685-01-481-2073
NSN 5915-00-871-6520
NSN 6620-01-039-1105
NSN 5925-01-557-6895
NSN 4140-01-015-9283
NSN 5975-00-009-2725