Model: 7-40709-1

Extension Helical Spring

Properties:

Inside Diameter

0.512 inches

End Style

Short twisted hook both ends

Spring Free Length

3.676 inches

Coil Quantity

31-1/4

Design Type

Closed

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

12.200 pounds per inch

Spring Free Outside Diameter

0.688 inches

Hook Radius

0.160 inches both ends

Material

Steel comp 631

Material Specification

Ams 5673 assn standard single material response

Surface Treatment

Passivate

Style Designator

Cylindrical

NSN

5360-00-956-6547

Part Number

7-40709-1

Description

Spring,helical,extension

CAGE

0JRC1

Part 7-40709-1 NSN 5360-00-956-6547

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04227

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:

70.0

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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