Model: 644A131-1

Compression Helical Spring

Properties:

Inside Diameter

0.777 inches

End Style

E4 spring end, squared and ground both ends

End Style

Spring end, squared and ground both ends

Spring Free Length

Between 3.031 inches and 3.219 inches

Coil Quantity

13-1/2

Spring Solid Length

1.611 inches

Coil Helix Direction

Right-hand

Spring Deflection Rate

34.400 pounds per inch

Spring Free Outside Diameter

1.013 inches

Material Specification

Jan-s-1160, grade 2, type a military specification all material responses

Surface Treatment

Cadmium

Style Designator

Cylindrical

NSN

5360-00-619-3468

Part Number

644A131-1

Description

Spring,helical,compression

CAGE

81893

Part 644A131-1 NSN 5360-00-619-3468

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:

0.4000lbs

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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