Model: 51B464-5A2

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.500 inches
Head Style
Hexagon
Head Height
Between 0.167 inches and 0.187 inches
Width Between Flats
Between 0.490 inches and 0.502 inches
Thread Diameter
0.312 inches
Grip Length
0.125 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
10420 pounds per square inch
Material
Steel comp 4340 or steel comp 4140 or steel comp 8740
Material Specification
Mil-s-5000 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification single treatment response
Thread Series Designator
Unf
NSN
5306-01-128-6632
Part Number
51B464-5A2
Description
Bolt,machine
CAGE
0JRC1

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.

Part 51B464-5A2 NSN 5306-01-128-6632

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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