Model: 644-421

Compression Helical Spring

Properties:

Inside Diameter

1.934 inches

End Style

E4 spring end, squared and ground both ends

Bore Diameter

2.531 inches

Spring Free Length

5.900 inches

Coil Quantity

Spring Solid Length

2.875 inches

Spring Solid Outside Diameter

2.500 inches

Coil Helix Direction

Right-hand

Spring Deflection Rate

1.000 pounds per inch

Spring Free Outside Diameter

2.500 inches

Material

Steel

Surface Treatment

Cadmium

Style Designator

Cylindrical

NSN

5360-00-851-7993

Part Number

644-421

Description

Spring,helical,compression

CAGE

27235

Part 644-421 NSN 5360-00-851-7993

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:

1.3000lbs

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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