"Steel, meeting QQ-S-681 specifications, has dimensions: overall length 14.500 inches; minimum and maximum internal diameters are 7.620 and 7.625 inches respectively; it features four mounting holes with a diameter of 0.642 inches and is cadmium plated."
Product Specifications:
Part Number
3453141
FSC With Name
1740 - Airfield Specialized Trucks and Trailers
FSG
17
FSC
1740
NIIN Number
004597626
Cage Code
88277
FSG Name
Aircraft Launching, Landing, and Ground Handling Equipment
FSC Name
Airfield Specialized Trucks and Trailers
MFG Name
THE BOEING COMPANY
NSN Number
1740-00-459-7626 (1740004597626)
FSG With Name
17 - Aircraft Launching, Landing, and Ground Handling Equipment