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 6650-00-084-4258
NSN 4140-01-167-6571
NSN 6145-00-126-1606
NSN 2925-01-633-4048
NSN 5910-01-324-9468
NSN 5985-01-464-3153
NSN 6620-01-623-2530
NSN 6685-00-753-7429
NSN 6650-01-422-3395
NSN 5996-01-226-7707
NSN 6620-01-247-4127
NSN 5835-00-034-4976