Model: 4B8312

Extension Helical Spring

Properties:

Inside Diameter

Between 0.488 inches and 0.508 inches

Spring Free Length

Between 6.705 inches and 6.767 inches

Coil Quantity

20-1/2

Design Type

Closed

Load Rating

80.000 pounds

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

107.800 pounds per inch

Spring Free Outside Diameter

Between 0.771 inches and 0.791 inches

Spring Length Under Load

6.484 inches

Material

Steel comp 1065

Material Specification

Qq-s-633-2-canceled federal specification single material response

Style Designator

Cylindrical

NSN

5360-00-352-1893

Part Number

4B8312

Description

Spring,helical,extension

CAGE

11083

Part 4B8312 NSN 5360-00-352-1893

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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