Model: 158798

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.305 inches and 0.369 inches

Fastener Length

Between 1.343 inches and 1.375 inches

Head Style

Round w/wrench flats chamfered

Head Diameter

0.875 inches

Head Height

Between 0.234 inches and 0.266 inches

Width Between Flats

Between 0.738 inches and 0.752 inches

Shank Unthreaded Hole Diameter

0.106 inches first hole

Thread Diameter

0.500 inches

Grip Length

Between 0.921 inches and 0.953 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

1.171 inches first hole and 1.203 inches first hole

Surface Finish

100.0 microinches grip

Surface Finish

100.0 microinches threads

Material

Steel comp 8740

Surface Treatment

Cadmium

Thread Series Designator

Unf

NSN

5306-00-637-1597

Part Number

158798

Description

Bolt,machine

CAGE

13002

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 158798 NSN 5306-00-637-1597

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:

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