Model: F4631

Torsion Helical Spring

Properties:

Inside Diameter

Between 1.375 inches and 1.406 inches

Hook Opening Width

0.190 inches first end

Hook Opening Width

0.284 inches second end

End Style

Curved end

Spring Free Length

1.666 inches

Coil Quantity

Coil Helix Direction

Right-hand

Spring Free Outside Diameter

Between 2.437 inches and 2.469 inches

Hook Radius

0.396 inches both ends

Hook Radius

0.376 inches first end

End Angular Relationship

Ends parallel one to other

Material

Steel comp 1060

Material Specification

Qq-s-633-2-canceled federal specification single material response

Surface Treatment

Cadmium

Style Designator

Single torsion left hand

NSN

5360-00-664-2839

Part Number

F4631

Description

Spring,helical,torsion

CAGE

72850

Part F4631 NSN 5360-00-664-2839

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04228

FIIG:

A02900

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:

177940

UFC:

87400

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Trailers/Vehicles

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