Model: 512939

Extension Helical Spring

Properties:

Opening Width

0.250 inches both ends

End Style

Raised hook both ends

Spring Free Length

Between 0.750 inches and 0.790 inches

Coil Quantity

12-3/4

Design Type

Closed

Load Rating

2.000 pounds

Coil Helix Direction

Right-hand

Spring Deflection Rate

12.900 pounds per inch

Spring Free Outside Diameter

0.145 inches

Hook Radius

0.060 inches both ends

Spring Length Under Load

Between 0.880 inches and 0.920 inches

Material Specification

Qq-w-470 federal specification single material response

Surface Treatment

Cadmium

Style Designator

Cylindrical

NSN

5360-00-982-6046

Part Number

512939

Description

Spring,helical,extension

CAGE

64547

Part 512939 NSN 5360-00-982-6046

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

177970

UFC:

87420

LTL:

NO RATING

LCL:

RATING VARIABLE

WCC:

579

TCC:

SHC:

ACC:

Trailers/Vehicles

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