Model: 551-289

Compression Helical Spring

Properties:

Inside Diameter

1.635 inches

End Style

E4 spring end, squared and ground both ends

Spring Free Length

3.625 inches

Coil Quantity

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

9.000 pounds per inch

Spring Free Outside Diameter

1.875 inches

Material

Nickel alloy

Material Specification

Jan-w-562, class 1-canceled military specification single material response

Style Designator

Cylindrical

NSN

5360-00-954-0008

Part Number

551-289

Description

Spring,helical,compression

CAGE

55139

Part 551-289 NSN 5360-00-954-0008

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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