Model: 523575

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.412 inches

Fastener Length

3.610 inches

Head Style

Hexagon

Head Height

0.249 inches

Width Between Flats

1.438 inches

Shank Unthreaded Hole Diameter

0.106 inches first hole

First Diameter From Head

Between 0.995 inches and 0.997 inches

Second Diameter From Head

Between 0.745 inches and 0.748 inches

Third Diameter From Head

0.500 inches

Fourth Diameter From Head

Between 0.745 inches and 0.748 inches

Fifth Diameter From Head

Between 0.620 inches and 0.623 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.310 inches

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

0.750 inches

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

2.430 inches

Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter

2.812 inches

Distance From Largest Bearing Surface Of Head To End Of Fifth Diameter

3.108 inches

Thread Diameter

0.563 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

150000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

3.437 inches first hole

Externally Relieved Body Diameter Quantity

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 4140

Material Specification

66 federal standard single material response

Thread Series Designator

Unf

NSN

5306-00-028-9820

Part Number

523575

Description

Bolt,externally Relieved Body

CAGE

17576

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 523575 NSN 5306-00-028-9820

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

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