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Shear Bolt NSN 5306-01-278-5320

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 5306-01-278-5320 NSN: 5306-01-278-5320

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.370 inches
Fastener Length
Between 5.167 inches and 5.197 inches
Head Style
Hexagon
Head Height
Between 0.125 inches and 0.140 inches
Width Between Flats
Between 0.429 inches and 0.439 inches
Grip Diameter
Between 0.249 inches and 0.250 inches
Thread Diameter
0.250 inches
Grip Length
Between 4.802 inches and 4.822 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
28
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Surface Finish
32.0 microinches threads
Material
Steel comp 4340 or steel comp 8740
Material Specification
Mil-s-5000 uns g43400 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams6322 uns g87400 assn standard 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification all treatment responses
Supplementary Features
Spec intmd lg 4.812 in. Nom /grip -77/; close tol appl
Thread Series Designator
Unjf
Specification Data
80205-nas6204 professional/industrial association standard
FSC
5306 Bolts
NIIN
012785320
NSN
5306012785320

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS6204-77
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 5306-01-278-5320
What are the manufacturers of nsn 5306012785320?
Does this nsn 5306012785320 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306012785320
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 5306012785320 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306012785320 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306012785320?
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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