Model: MS9503-23

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.990 inches and 1.070 inches
Fastener Length
Between 1.865 inches and 1.885 inches
Head Style
Hexagon
Head Height
0.219 inches
Width Between Flats
Between 0.553 inches and 0.564 inches
Hole Diameter
Between 0.060 inches and 0.070 inches
Thread Diameter
0.375 inches
Grip Length
Between 0.815 inches and 0.875 inches
Hole Quantity
1
Hole Type
Drilled
Features Provided
Finished head
Thready Qty Per Inch (tpi)
24
Hole Configuration Style
Hexagon flats
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
Iron alloy 660
Material Specification
Ams 5731 assn standard single material response
Thread Series Designator
Unjf
NSN
5306-01-268-5788
Part Number
MS9503-23
Description
Bolt,machine
CAGE
96906

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 MS9503-23 NSN 5306-01-268-5788

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:
A
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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