Model: 3254021

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.500 inches

Fastener Length

1.219 inches

Head Style

Hexagon

Head Height

0.125 inches

Width Between Flats

0.500 inches

Shank Unthreaded Hole Diameter

0.106 inches first hole

Thread Diameter

0.312 inches

Grip Length

0.719 inches

Features Provided

Casehardened and finished head

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

1.125 inches first hole

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Material Specification

Fed standard 66, sae 3135 federal standard single material response

Thread Series Designator

Unf

NSN

5306-00-728-0658

Part Number

3254021

Description

Bolt,machine

CAGE

55380

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 3254021 NSN 5306-00-728-0658

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