Model: 644A129-1

Compression Helical Spring

Properties:

Inside Diameter

3.687 inches

End Style

E4 spring end, squared and ground both ends

End Style

Spring end, squared and ground both ends

Spring Free Length

Between 7.154 inches and 7.596 inches

Coil Quantity

7 1/2

Spring Solid Length

3.450 inches

Coil Helix Direction

Right-hand

Spring Deflection Rate

164.200 pounds per inch

Spring Free Outside Diameter

4.730 inches

Material

Steel uns k08500

Material Specification

Qq-w-470 federal specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 1, class 1 federal specification single treatment response

Style Designator

Cylindrical

NSN

5360-00-678-2196

Part Number

644A129-1

Description

Spring,helical,compression

CAGE

24446

Part 644A129-1 NSN 5360-00-678-2196

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.2000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

177970

UFC:

87420

LTL:

NO RATING

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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