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EWB18-1812H26

View detailed technical data, stock status, and sourcing information for: EWB18-1812H26

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EWB18-1812H26
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-275-7700
Item Name Code
01847
Assigment Date
08/04/1973 (52 years ago)

A shaft used to transmit to the propeller the torque generated by the main engine of a ship and also to transfer the propeller thrust to the thrust block.

right-hand thread direction, 3a thread class, 3.202 inches minimum and 3.222 inches maximum fastener length, double hexagon extended washer head style, 1.567 inches minimum and 1.607 inches maximum thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
1.567 inches minimum and 1.607 inches maximum
Fastener Length
3.202 inches minimum and 3.222 inches maximum
Head Style
double hexagon extended washer
Head Height
1.041 inches minimum and 1.061 inches maximum
Width Between Flats
1.245 inches minimum and 1.255 inches maximum
Extended Washer Diameter
1.865 inches minimum and 1.875 inches maximum
Extended Washer Thickness
0.248 inches minimum and 0.268 inches maximum
Hole Diameter
0.055 inches nominal
Nominal Thread Diameter
1.125 inches
Grip Length
1.615 inches minimum and 1.635 inches maximum
Hole Quantity
4
Hole Type
drilled
Features Provided
finished head
Thread Quantity Per Inch
12
Minimum Tensile Strength
180000 pounds per square inch
Hole Configuration Style
square flats
Material
steel overall
Surface Treatment
cadmium overall
Thread Series Designator
unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
12-1812H26 Machine Bolt
EWB18-1812H26 Machine Bolt
EWB18-18H26 Machine Bolt

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5306-00-275-7700?
The FSCG of the NSN 5306-00-275-7700 is 5306
Does the NSN 5306-00-275-7700 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-275-7700 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5306-00-275-7700 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-275-7700 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5306-00-275-7700 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sat, Aug 4, 1973

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