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Close Tolerance Bolt

NSN 5306-00-144-3644 | NIIN 00-144-3644
NSN 5306-00-144-3644 NSN: 5306-00-144-3644
Description:

3A thread class, right-hand , 0.625" thread length, hexagon head style, 0.070" hole diameter, 4.672" grip length, 20 thread quantity per inch

Features and Characteristics

Thread Class
3A
Thread Direction
Right-hand
Thread Length
Between 0.625 inches and 0.703 inches
Fastener Length
Between 5.328 inches and 5.375 inches
Head Style
Hexagon
Head Height
Between 0.234 inches and 0.266 inches
Width Between Flats
Between 0.615 inches and 0.627 inches
Hole Diameter
0.070 inches
Grip Diameter
Between 0.4362 inches and 0.4367 inches
Shank Unthreaded Hole Diameter
0.106 inches first hole and 0.116 inches first hole
Thread Diameter
0.437 inches
Grip Length
Between 4.672 inches and 4.703 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
125000 pounds per square inch
Hardness Rating
26.0 Rockwell c and 32.0 Rockwell c
Hole Configuration Style
Hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center
5.156 inches first hole and 5.188 inches first hole
Material
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
QQ-P-416 type 2 cl 3 federal specification all treatment responses
Thread Series Designator
Unf
FSC
5306 Bolts
NIIN
001443644
NSN
5306001443644

Manufacturer Part Numbers

Alternate part numbers that match this National Stock Number
Part Number
Cage
Status
MSDS
Part Number:
AN177H52
Cage Code:
88044
Status:
A
MSDS:
Part Number:
87T52
Cage Code:
80049
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 5306-00-144-3644
What are the manufacturers of nsn 5306001443644?
Does this nsn 5306001443644 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306001443644
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 5306001443644 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306001443644 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306001443644?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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