Model: 1521-720

Compression Helical Spring

Properties:

Inside Diameter

Between 0.190 inches and 0.210 inches

End Style

E4 spring end, squared and ground both ends

End Style

Spring end, squared and ground both ends

Spring Free Length

Between 0.334 inches and 0.354 inches

Coil Quantity

5.5

Spring Solid Length

0.247 inches

Spring Solid Outside Diameter

0.300 inches

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

110.000 pounds per inch

Spring Free Outside Diameter

Between 0.280 inches and 0.300 inches

Material

Steel comp 631

Material Specification

Ams 5673 assn standard single material response

Surface Treatment

Passivate

Style Designator

Cylindrical

NSN

5360-00-119-6391

Part Number

1521-720

Description

Spring,helical,compression

CAGE

66503

Part 1521-720 NSN 5360-00-119-6391

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:

3.0000lbs

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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