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Shear Bolt NSN 5306-01-326-2691

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 5306-01-326-2691 NSN: 5306-01-326-2691

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.512 inches
Fastener Length
1.324 inches
Head Style
Double hexagon w/hole
Head Height
0.300 inches
Width Between Flats
0.312 inches
Extended Washer Diameter
Between 0.428 inches and 0.438 inches
Extended Washer Thickness
0.069 inches
Grip Diameter
Between 0.2485 inches and 0.2495 inches
Thread Diameter
0.250 inches
Grip Length
Between 0.802 inches and 0.822 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 43.0 rockwell c
Surface Finish
32.0 microinches grip
Material
Steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150
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
013262691
NSN
5306013262691

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21250-04013
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 5306-01-326-2691
What are the manufacturers of nsn 5306013262691?
Does this nsn 5306013262691 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306013262691
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 5306013262691 contain any precious metals?
No precious metal content.
Does nsn 5306013262691 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306013262691?
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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