Model: H643-7003-53

Compression Helical Spring

Properties:

Inside Diameter

Between 0.396 inches and 0.436 inches

End Style

E4 spring end, squared and ground both ends

End Application

Combined induction/exhaust operater gear assembly; ssn688

Spring Free Length

1.440 inches

Coil Quantity

Spring Solid Length

0.648 inches

Spring Solid Outside Diameter

Between 0.540 inches and 0.580 inches

Coil Helix Direction

Left-hand or right-hand

Spring Deflection Rate

Between 16.500 pounds per inch and 18.500 pounds per inch

Spring Free Outside Diameter

Between 0.540 inches and 0.580 inches

Material

Copper alloy 510

Material Specification

Qq-w-321 federal specification single material response

Style Designator

Cylindrical

NSN

5360-01-486-6527

Part Number

H643-7003-53

Description

Spring,helical,compression

CAGE

96169

Part H643-7003-53 NSN 5360-01-486-6527

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:

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:

177940

UFC:

87400

LTL:

RATING VARIABLE

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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