Model: 643989

Compression Helical Spring

Properties:

Inside Diameter

0.466 inches

End Style

E4 spring end, squared and ground both ends

End Style

Spring end, squared and ground both ends

Accommodated Rod Diameter

0.437 inches

Coil Quantity

Load Rating

2.000 pounds

Spring Solid Length

0.256 inches

Spring Solid Outside Diameter

0.532 inches

Coil Helix Direction

Right-hand or left-hand

Spring Free Outside Diameter

0.532 inches

Spring Length Under Load

0.375 inches

Material

Steel uns k08500

Material Specification

Qq-w-470 federal specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2 federal specification single treatment response

Style Designator

Cylindrical

NSN

5360-00-794-6588

Part Number

643989

Description

Spring,helical,compression

CAGE

99551

Part 643989 NSN 5360-00-794-6588

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:

177940

UFC:

87400

LTL:

RATING VARIABLE

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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