Model: 743B126

Extension Helical Spring

Properties:

Inside Diameter

Between 0.144 inches and 0.168 inches

End Style

Short twisted hook both ends

Spring Free Length

Between 0.716 inches and 0.772 inches

Coil Quantity

Design Type

Closed

Load Rating

Between 18.50 pounds and 21.50 pounds

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

88.000 pounds per inch

Spring Free Outside Diameter

Between 0.178 inches and 0.198 inches

Hook Radius

0.072 inches both ends and 0.084 inches both ends

Spring Length Under Load

1.159 inches

Coil To Hook Inside Length

0.144 inches both ends and 0.168 inches both ends

Material

Steel uns k08500

Material Specification

Qq-w-470 federal specification single material response

Surface Treatment

Cadmium and chromate

Style Designator

Cylindrical

NSN

5360-00-418-7042

Part Number

743B126

Description

Spring,helical,extension

CAGE

02101

Part 743B126 NSN 5360-00-418-7042

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:

177940

UFC:

87400

LTL:

RATING VARIABLE

LCL:

WCC:

579

TCC:

SHC:

ACC:

Construction Materials

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