Model: 646B

Compression Helical Spring

Properties:

Inside Diameter

0.318 inches

End Style

E4 spring end, squared and ground both ends

Bore Diameter

0.500 inches

Spring Free Length

2.910 inches

Coil Quantity

Spring Solid Length

1.690 inches

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

33.800 pounds per inch

Spring Free Outside Diameter

0.470 inches

Material

Steel comp 302

Material Specification

Sae, type 18-8 assn standard single material response

Surface Treatment

Lacquer

Style Designator

Cylindrical

NSN

5360-01-139-4692

Part Number

646B

Description

Spring,helical,compression

CAGE

0A628

Part 646B NSN 5360-01-139-4692

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04226

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:

0.4000lbs

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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