Model: 538386

Internally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.626 inches
Fastener Length
4.694 inches
Head Style
Round w/wrench flats
Head Diameter
1.438 inches
Head Height
0.125 inches
Width Between Flats
1.250 inches
Shoulder Diameter
0.998 inches
Shoulder Length
3.938 inches
Shank Unthreaded Hole Diameter
0.190 inches first hole
Counterbore Diameter
0.562 inches
Counterbore Depth
3.930 inches
Concentric Hole Diameter
0.500 inches
Thread Diameter
0.875 inches
Thready Qty Per Inch (tpi)
14
Min. Tensile Strength (psi)
200000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
4.500 inches first hole
Material
Steel comp e4340
Material Specification
Mil-s-5000, cond c military specification single material response
Surface Treatment
Cadmium threads
Surface Treatment
Chromium grip
Surface Treatment
Cadmium head
Style Designator
Counterbore unthreaded
Thread Series Designator
Unf
NSN
5306-00-208-0286
Part Number
538386
Description
Bolt,internally Relieved Body
CAGE
17576

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 538386 NSN 5306-00-208-0286

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06676
FIIG:
A003B0
Concept No.:
App. Key:
BN
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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