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 5996-00-135-9599
NSN 6135-00-057-2005
NSN 5990-01-485-0260
NSN 5950-01-562-6147
NSN 6135-00-299-6918
NSN 5835-01-611-8912
NSN 4140-01-220-7131
NSN 5950-00-042-9865
NSN 2925-01-484-2775
NSN 6645-01-014-9205
NSN 6685-01-371-5445
NSN 5925-01-644-4660