Model: 31754A

Eccentric Head Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Fastener Length
1.594 inches
Head Style
Flat chamfer
Head Diameter
Between 0.812 inches and 0.813 inches
Head Height
0.312 inches
Distance From Center Of Head To Center Of Shank
0.078 inches
Shank Unthreaded Hole Diameter
0.125 inches first hole
Thread Diameter
0.562 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
135000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
1.469 inches first hole
Material
Steel comp 3140
Material Specification
Sae assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-371-5390
Part Number
31754A
Description
Bolt,eccentric Head
CAGE
1ML14

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.

Part 31754A NSN 5306-00-371-5390

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21861
FIIG:
A003B0
Concept No.:
App. Key:
BE
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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