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Close Tolerance Bolt NSN 5306-01-274-0036

Item Description

An externally threaded fastener whose unthreaded portion is of a specified 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. 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. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

NSN 5306-01-274-0036 NSN: 5306-01-274-0036

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.476 inches and 1.526 inches
Fastener Length
Between 4.736 inches and 4.766 inches
Head Style
Double hexagon extended washer
Head Height
Between 0.608 inches and 0.628 inches
Width Between Flats
Between 0.672 inches and 0.687 inches
Extended Washer Diameter
Between 1.040 inches and 1.050 inches
Extended Washer Thickness
Between 0.140 inches and 0.160 inches
Grip Diameter
Between 0.623 inches and 0.624 inches
Shank Unthreaded Hole Diameter
0.141 inches first hole and 0.151 inches first hole
Thread Diameter
0.625 inches
Grip Length
Between 3.240 inches and 3.260 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
54800 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
3.968 inches first hole and 4.018 inches first hole
Surface Finish
32.0 microinches grip
Special Features
Asupply with dog type point 0.499 in. Min and 0.552 in. Max. Diameter; 0.537 in. Nomianl length with groove pin made of 300 derised cres per fed-std-66; apply dry film lubricant to pawl/retainer
Material
Steel comp xm-13 stand-off
Material Specification
Astm a580 assn standard 1st material response spring or astm a580 assn standard 2nd material response spring or ams5678 assn standard 3rd material response spring
Surface Treatment
Passivate stand-off
Surface Treatment Specification
Qq-p-35 federal specification single treatment response stand-off
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
012740036
NSN
5306012740036

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SS5116-10-52
Cage Code:
78286
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 5306-01-274-0036
What are the manufacturers of nsn 5306012740036?
Does this nsn 5306012740036 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306012740036
An externally threaded fastener whose unthreaded portion is of a specified 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. 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. a locking feature may be incorporated in the design of the head or threads. for items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. for items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
Does nsn 5306012740036 contain any precious metals?
No precious metal content.
Does nsn 5306012740036 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306012740036?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27851
FIIG:
A003B0
App. Key:
BC
Cond. Code:
1
Status:
A

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