NSN 5306-00-638-3798
Externally Relieved Body Bolt
1.531 inches fastener length, hexagon head style, 0.125 inches head height, width between flats: between 0.490 inches and 0.508 inches .
Manufacturer part number 726334-3 for national stock number 5306006383798.
Datasheet
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Product description
Externally Relieved Body Bolt NSN 5306-00-638-3798.
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MPN or Model
726334-3
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Schedule B
7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment) -
NMF (National Motor Freight)
093486 - Bolts, Nuts Or Screws, NOI (sub 3) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.180 inches and 0.200 inches -
Fastener Length
1.531 inches -
Head Style
Hexagon -
Head Height
0.125 inches -
Width Between Flats
Between 0.490 inches and 0.508 inches -
First Diameter From Head
Between 0.490 inches and 0.502 inches -
Second Diameter From Head
Between 0.309 inches and 0.312 inches -
Third Diameter From Head
Between 0.186 inches and 0.196 inches -
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.006 inches and 0.026 inches -
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 1.261 inches and 1.291 inches -
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
Between 1.321 inches and 1.361 inches -
Thread Diameter
0.250 inches -
Thready Qty Per Inch (tpi)
28 -
Hardness Rating
34.0 rockwell c and 38.0 rockwell c -
Externally Relieved Body Diameter Quantity
3 -
Material
Steel -
Thread Series Designator
Unf
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An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.
![Mechanic Bill explains Externally Relieved Body Bolt](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5306-00-638-3798 externally relieved body boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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726334-3 | Lockheed Martin Corporation |
Stock Check
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