Model: 1388200-1

Machine Bolt

Special Features:

Width between flat cut from 0.365 in. Min 0.377 in. Max w to 0.330 in. W on hex flat

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.376 inches and 0.452 inches
Fastener Length
Between 2.266 inches and 2.312 inches
Head Style
Hexagon
Head Height
Between 0.109 inches and 0.141 inches
Width Between Flats
Between 0.365 inches and 0.377 inches
Hole Diameter
0.046 inches
Shank Unthreaded Hole Diameter
0.070 inches first hole and 0.080 inches first hole
Shank Unthreaded Hole Diameter
0.070 inches and 0.080 inches first hole
Thread Diameter
0.190 inches
Grip Length
Between 1.860 inches and 1.890 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
Double hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center
2.126 inches first hole and 2.156 inches first hole
Distance From Head Largest Bearing Surface To Shank Hole Center
2.126 inches and 2.156 inches first hole
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 431
Material Specification
Mil-s-18732 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
NSN
5306-00-395-2438
Part Number
1388200-1
Description
Bolt,machine
CAGE
98889

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 1388200-1 NSN 5306-00-395-2438

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:
--
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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