Model: 640-1-13

Compression Helical Spring

Properties:

Inside Diameter

Between 0.235 inches and 0.255 inches

End Style

E4 spring end, squared and ground both ends

End Style

Spring end, squared and ground both ends

Spring Free Length

Between 0.430 inches and 0.468 inches

Coil Quantity

Spring Solid Length

0.250 inches

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

87.500 pounds per inch

Spring Free Outside Diameter

Between 0.333 inches and 0.353 inches

Material

Steel

Material Specification

Qq-w-423 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Style Designator

Cylindrical

NSN

5360-00-511-1358

Part Number

640-1-13

Description

Spring,helical,compression

CAGE

57817

Part 640-1-13 NSN 5360-00-511-1358

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04226

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:

177970

UFC:

87420

LTL:

NO RATING

LCL:

WCC:

579

TCC:

SHC:

ACC:

Trailers/Vehicles

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