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Shear Bolt NSN 5306-01-256-6845

Item Description

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

NSN 5306-01-256-6845 NSN: 5306-01-256-6845

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.553 inches and 0.603 inches
Fastener Length
Between 2.938 inches and 2.968 inches
Head Style
Dished hexagon
Head Height
Between 0.188 inches and 0.203 inches
Width Between Flats
Between 0.553 inches and 0.564 inches
Grip Diameter
Between 0.3735 inches and 0.3745 inches
Shank Unthreaded Hole Diameter
0.106 inches first hole and 0.116 inches first hole
Thread Diameter
0.375 inches
Grip Length
Between 2.365 inches and 2.385 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Distance From Head Largest Bearing Surface To Shank Hole Center
2.712 inches first hole and 2.762 inches first hole
Surface Finish
63.0 microinches grip
Material
Steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp e4340
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 2 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
012566845
NSN
5306012566845

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
20-057-6-38D
Cage Code:
97499
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5306-01-256-6845
What are the manufacturers of nsn 5306012566845?
Does this nsn 5306012566845 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306012566845
A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. the head is designed to accommodate an external wrench or driver. the head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. the unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. the nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. a locking feature may be incorporated in the design of the head or threads. see bolt, machine and bolt, clevis.
Does nsn 5306012566845 contain any precious metals?
No precious metal content.
Does nsn 5306012566845 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306012566845?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15903
FIIG:
A003B0
App. Key:
BX
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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