Model: 428179-1

Extension Helical Spring

Special Features:

Stress relieve as required; extension w/o permanenet set = 0.38; remove all burrs and break sharp edges

Properties:

Inside Diameter

0.274 inches

Opening Width

1.412 inches both ends

End Style

Reduced hook both ends

Stock Diameter

Between 0.057 inches and 0.059 inches

Spring Free Length

Between 3.150 inches and 3.190 inches

Coil Quantity

Design Type

Mainspring

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

42.700 pounds per inch

Spring Free Outside Diameter

0.390 inches

Hook Radius

0.055 inches both ends and 0.075 inches both ends

Coil To Hook Inside Length

1.580 inches both ends and 1.620 inches both ends

Material

Steel comp 316 or steel comp 302 or steel comp 304

Surface Treatment

Passivate

Style Designator

Cylindrical

NSN

5360-01-510-7683

Part Number

428179-1

Description

Spring,helical,extension

CAGE

80020

Part 428179-1 NSN 5360-01-510-7683

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

Pricing & Availability Check

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