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Shear Bolt NSN 5306-01-256-6851

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 5306-01-256-6851 NSN: 5306-01-256-6851

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.284 inches and 1.334 inches
Fastener Length
Between 3.044 inches and 3.074 inches
Head Style
Dished hexagon
Head Height
Between 0.500 inches and 0.515 inches
Width Between Flats
Between 1.427 inches and 1.440 inches
Grip Diameter
Between 0.9980 inches and 0.9990 inches
Thread Diameter
1.000 inches
Grip Length
Between 1.740 inches and 1.760 inches
Thready Qty Per Inch (tpi)
12
Min. Tensile Strength (psi)
180000 pounds per square inch
Surface Finish
32.0 microinches threads
Material
Iron alloy 660
Material Specification
Ams5731 assn standard single material response or ams5737 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
012566851
NSN
5306012566851

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1966C28
Cage Code:
80205
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 5306-01-256-6851
What are the manufacturers of nsn 5306012566851?
Does this nsn 5306012566851 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306012566851
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 5306012566851 contain any precious metals?
No precious metal content.
Does nsn 5306012566851 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306012566851?
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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