Model: 556-3441

Extension Helical Spring

Properties:

Inside Diameter

Between 0.052 inches and 0.057 inches

Opening Width

0.063 inches both ends

End Style

Raised hook both ends

Spring Free Length

0.500 inches

Coil Quantity

Design Type

Closed

Coil Helix Direction

Right-hand or left-hand

Spring Free Outside Diameter

Between 0.080 inches and 0.085 inches

Hook Radius

0.029 inches both ends

Material

Steel

Material Specification

Qq-w-470 federal specification single material response

Surface Treatment

Cadmium

Style Designator

Cylindrical

NSN

5360-00-205-4640

Part Number

556-3441

Description

Spring,helical,extension

CAGE

11530

Part 556-3441 NSN 5360-00-205-4640

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04227

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:

177970

UFC:

87420

LTL:

NO RATING

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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