Model: 3M9H4-8

Machine Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.929 inches
Fastener Length
1.000 inches
Head Style
Hexagon
Head Height
Between 0.120 inches and 0.140 inches
Width Between Flats
Between 0.615 inches and 0.627 inches
Hole Diameter
0.046 inches
Thread Diameter
0.250 inches
Hole Quantity
3
Hole Type
Drilled
Features Provided
Finished head
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
125000 pounds per square inch
Hole Configuration Style
Hexagon corners
Material
Steel comp 4130 or steel comp 4140 or steel comp 4037 or steel comp 8630 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-8695 military specification 3rd material response or mil-s-6050 military specification 4th material response or mil-s-6098 military specification 5th material response or mil-s-6049 military specification all material responses
Surface Treatment
Cadmium and zinc
Surface Treatment Specification
Qq-p-416ty1cl2 federal specification 1st treatment response and qq-z-325 federal specification 2nd treatment response
Thread Series Designator
Unf
NSN
5306-00-059-2601
Part Number
3M9H4-8
Description
Bolt,machine
CAGE
76301

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 3M9H4-8 NSN 5306-00-059-2601

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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