Model: 20663

Compression Helical Spring

Special Features:

Max stress 146000 psi; stress at working lg 58000 psi; deflection lg 0.120 in.; 1.26 wahl factor; 5.860 mean diameter to wire diameter index; all characteristics data proprietary

Properties:

Inside Diameter

0.203 inches

End Style

E4 spring end, squared and ground both ends

Bore Diameter

0.310 inches

Spring Free Length

0.605 inches

Accommodated Rod Diameter

0.195 inches

Coil Quantity

8 1/2

Spring Solid Length

0.374 inches

Spring Solid Outside Diameter

0.306 inches

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

Between 48.000 pounds per inch and 52.000 pounds per inch

Spring Free Outside Diameter

0.302 inches

Material

Stainless steel

Material Specification

Comp 17-7ph, cond c, armco steel corporation mfr ref single material response or e-66, type 17-7ph, moog inc mfr ref single material response or 17-7ph, armco steel corporation mfr ref single material response or 17-7-h, cond c, cold drawn, armco steel corporation mfr ref single material response

Style Designator

Cylindrical

Supplementary Features

Heat treat/stress relieve per mil-h-6875

NSN

5360-01-130-3765

Part Number

20663

Description

Spring,helical,compression

CAGE

59211

Part 20663 NSN 5360-01-130-3765

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:

0.1000lbs

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:

178020

UFC:

87470

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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