Model: 726178-3

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.812 inches

Fastener Length

1.920 inches

Head Style

Double hexagon extended washer

Head Height

0.500 inches

Width Between Flats

0.560 inches

Extended Washer Diameter

0.823 inches

Extended Washer Thickness

0.110 inches

Thread Diameter

0.500 inches

Grip Length

1.108 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

40.0 rockwell c and 43.0 rockwell c

Material

Steel comp e4340

Material Specification

Mil-s-5000 cond c4 military specification single material response

Thread Series Designator

Unf

NSN

5306-00-637-4945

Part Number

726178-3

Description

Bolt,machine

CAGE

98897

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 726178-3 NSN 5306-00-637-4945

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01847

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

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