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 5915-01-025-1362
NSN 6650-01-599-0019
NSN 6620-01-355-4339
NSN 6320-01-513-9166
NSN 5925-00-155-2587
NSN 5960-01-294-2397
NSN 6105-01-194-6608
NSN 7035-01-472-4207
NSN 5998-01-103-5036
NSN 6610-01-188-8163
NSN 6145-01-291-2287
NSN 6685-01-620-2858