Model: 643S3

U Bolt

Special Features:

Chamfer at both thd ends 0.062 in. By 45 degrees and end @0.500 in. Off center at 4.000 in. Distance from center of bend

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

2.000 inches

Distance From Inside Center Of Bend To Bolt End

11.375 inches

Inside Distance Between Shanks

2.562 inches

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Hardness Rating

269.0 brinell standard and 302.0 brinell standard

Material

Steel comp 4140

Style Designator

Round bend

Thread Series Designator

Unf

NSN

5306-00-736-8630

Part Number

643S3

Description

Bolt,u

CAGE

56442

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

Part 643S3 NSN 5306-00-736-8630

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06665

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