Model: NAS428-6A-24

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 2.438 inches and 2.469 inches

Fastener Length

Between 2.500 inches and 2.562 inches

Head Style

Crowned hexagon

Head Height

0.203 inches

Width Between Flats

Between 0.553 inches and 0.565 inches

End Application

F-15s

Thread Diameter

0.375 inches

Grip Length

Between 0.031 inches and 0.062 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

125000 pounds per square inch

Part Name Assigned By Controlling Agency

Bolt, machine

Material

Steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 4130 or steel comp 4037

Material Specification

Mil-b-6812 military specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type ii, class2 assn standard single treatment response

Thread Series Designator

Unjf

NSN

5306-01-457-4138

Part Number

NAS428-6A-24

Description

Bolt,machine

CAGE

80205

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 NAS428-6A-24 NSN 5306-01-457-4138

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