Model: 2057H128

Externally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.610 inches
Fastener Length
1.490 inches
Head Style
Dee
Head Diameter
0.625 inches
Head Height
0.195 inches
Distance From Centerline To Flat
0.242 inches
First Diameter From Head
Between 0.3952 inches and 0.3956 inches
Second Diameter From Head
0.343 inches
Third Diameter From Head
Between 0.3952 inches and 0.3956 inches
Fourth Diameter From Head
0.300 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.360 inches and 0.470 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 0.415 inches and 0.535 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
0.800 inches
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter
0.880 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Externally Relieved Body Diameter Quantity
4
Material
Steel comp 8740
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5306-00-614-6525
Part Number
2057H128
Description
Bolt,externally Relieved Body
CAGE
0AHP5

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 2057H128 NSN 5306-00-614-6525

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06675
FIIG:
A003B0
Concept No.:
App. Key:
BF
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:
--
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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