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Machine Bolt NSN 5306-00-528-7381

Item Description

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

NSN 5306-00-528-7381 NSN: 5306-00-528-7381

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Features and Characteristics

Thread Direction
Right-hand
Thread Length
Between 0.656 inches and 0.718 inches
Fastener Length
Between 0.796 inches and 0.828 inches
Head Style
Hexagon countersunk
Head Height
0.312 inches
Width Between Flats
Between 0.609 inches and 0.641 inches
Thread Diameter
0.438 inches
Features Provided
Finished head
Nonstandard Thread Pitch Diameter
+0.4014/+0.4040 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Countersink Angle
75.0 degrees
Material
Steel comp 1035 or steel comp 1040 or steel comp 1137
Material Specification
Astm a108 assn standard 1st material response or astm a108 assn standard 2nd material response or qq-s-637 federal specification 3rd material response
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unf
FSC
5306 Bolts
NIIN
005287381
NSN
5306005287381

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5287381
Cage Code:
19207
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 5306-00-528-7381
What are the manufacturers of nsn 5306005287381?
Does this nsn 5306005287381 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306005287381
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.
Does nsn 5306005287381 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306005287381 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306005287381?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
App. Key:
BR
Cond. Code:
1
Status:
A

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