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Shear Bolt NSN 5306-00-031-0921

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 5306-00-031-0921 NSN: 5306-00-031-0921

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.006 inches and 1.042 inches
Fastener Length
Between 6.704 inches and 6.720 inches
Head Style
Double hexagon
Head Height
0.281 inches
Width Between Flats
Between 0.741 inches and 0.752 inches
Grip Diameter
Between 0.4982 inches and 0.4991 inches
Thread Diameter
0.500 inches
Grip Length
Between 5.678 inches and 5.698 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
220000 pounds per square inch
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp h11
Surface Treatment
Cadmium
Surface Treatment Specification
Nas 672 assn standard single treatment response
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
000310921
NSN
5306000310921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BM17020-8-91
Cage Code:
17446
Status:
A
MSDS:
Part Number:
VS2521-8F91
Cage Code:
06950
Status:
A
MSDS:
Part Number:
GB511B8-91
Cage Code:
26512
Status:
A
MSDS:
Part Number:
EWSB22-8A91
Cage Code:
56878
Status:
A
MSDS:
Part Number:
VAL22034-8F91
Cage Code:
06710
Status:
A
MSDS:
Part Number:
EWSB2208-A91
Cage Code:
80539
Status:
A
MSDS:
Part Number:
AIC516B8-91
Cage Code:
06725
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 5306-00-031-0921
What are the manufacturers of nsn 5306000310921?
Does this nsn 5306000310921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306000310921
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 5306000310921 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306000310921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306000310921?
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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