.

NORTH AMERICA

EUROPE

ASIA

CENTRAL & SOUTH AMERICA

AFRICA & MIDDLE EAST

Pacific Rim

 
0 Items Total: $0.00
×
 
Main view
side view
Top view
3D
2D
Quantity
 

Add

Enter your details and we'll get started right away.

Most quotes are generated and emailed instantly. Large-volume requests are reviewed by our team and typically follow up within 1 business day.

 

Specifications

 

Download Spec Sheet

Imperial/Inches Metric
Physical Dimension

mm cm

Load

N kg gm

 
 

EI 009A 07 S

Cost
$0.00
$0.00
Price
$0.00
Weight
0.00 lb.
Direction of Wind
Factory Option
Ends
Standard Loops
Finish
Passivate per ASTM A967
Material
Stainless Steel
Total Coils
72.300
Published Stock Code
EI009A07S
Product Type
Extension Spring
Product Category
Stock
Revision
NR
Rate (N/mm)
0.13
Rate (kg/cm)
0.13
Rate (lb/in)
0.72
Rate (gm/mm)
12.90
Weight per Item (lb)
0.00
Material Specification
ASTM A313
Free Length (cm)
1.905
Free Length (inch)
0.750
Free Length (mm)
19.050
Free Length - Build Spec (in)
0.75
Free Length Tolerance (cm)
0.08
Free Length Tolerance (in)
0.03
Free Length Tolerance (mm)
0.76
Free Length Tolerance - Build Spec (in)
0.03
Inside Diameter (cm)
0.11
Inside Diameter (in)
0.05
Inside Diameter (mm)
1.14
Outside Diameter (cm)
0.160
Outside Diameter (in)
0.06
Outside Diameter (mm)
1.60
Outside Diameter - Build Spec (in)
0.06
Outside Diameter Tolerance (cm)
0.01
Outside Diameter Tolerance (in)
0.00
Outside Diameter Tolerance (mm)
0.10
Outside Diameter Tolerance - Build Spec (in)
0.00
Rate (gm/cm)
129.00
Rate (kg/mm)
0.01
Rate (N/cm)
1.26
Rate - Build Spec (lb/in)
0.72
Rate Tolerance (gm/cm)
12.90
Rate Tolerance (gm/mm)
1.29
Rate Tolerance (kg/cm)
0.01
Rate Tolerance (kg/mm)
0.00
Rate Tolerance (lb/in)
0.07
Rate Tolerance (N/cm)
0.13
Rate Tolerance (N/mm)
0.01
Rate Tolerance - Build Spec (lb/in)
0.07
Total Coils - Build Spec
72.34
Wire Diameter (cm)
0.02
Wire Diameter (inch)
0.01
Wire Diameter (mm)
0.23
Wire Diameter - Build Spec (in)
0.01
Material Short Description
SS
Product Series
Instrument Extension Series (inch)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
0.05
Initial Tension (lb)
0.05
Initial Tension (N)
0.22
Initial Tension (kg)
0.02
Initial Tension (gm)
22.60
Initial Tension Tolerance - Build Spec. (lb)
0.01
Initial Tension Tolerance (lb)
0.01
Initial Tension Tolerance (N)
0.04
Initial Tension Tolerance (kg)
0.00
Initial Tension Tolerance (gm)
4.53
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
0.52
Max Load (lb)
0.52
Max Load (kg)
0.23
Max Load (gm)
234.20
Max Extended Length - Build Spec. (in)
1.40
Max Extended Length (in)
1.40
Max Extended Length (mm)
35.56
Max Extended Length (cm)
3.56
Body Length - Build Spec. (in)
0.66
Body Length (in)
0.66
Body Length (mm)
16.76
Body Length (cm)
1.68
Loop Inside Diameter - Build Spec. (in)
0.05
Loop Inside Diameter (in)
0.05
Loop Inside Diameter (mm)
1.14
Loop Inside Diameter (cm)
0.11
Loop Position
Random
Loop Opening - Build Spec. (in)
0.01
Loop Opening (in)
0.01
Loop Opening (mm)
0.23
Loop Opening (cm)
0.02
Max Load (N)
2.30
Inside Diameter - Build Spec (in)
0.05
Model Code
EI

Instrument Extension Series (inch)

Precision Springs for Precision Products.

Lee Spring EI 009A 07 S is a precision extension spring from the Instrument Extension Series (inch) series, engineered for applications requiring reliable quality extension springs. This spring features a 0.063-inch outside diameter (1.6 mm) with 0.045-inch loop inside diameter (1.14 mm) and extends from a free length of 0.75 inch (19.05 mm) to a maximum extended length of 1.4 inch (35.56 mm). Made from Stainless Steel with a 0.009-inch wire diameter (0.23 mm), the spring delivers a spring rate of 0.72 lb/inch (0.126 N/mm) through its 72.3 total coils with an initial tension of 0.0499 lb (0.222 N). The spring supports a maximum load of 0.5164 lb (2.297 N) at full extension with a body length of 0.66 inch (16.76 mm). The spring features Random loop position and Passivate per ASTM A967 finish for optimal performance.

About the Extension Spring Instrument Series

The Lee Spring Extension Spring Instrument Series includes a wide range of size and rate combinations in a smaller, highly precise spring design. Selections are sorted in ascending order based on outside diameter. Instrument Series Extension Springs are available in both inch and metric sizes. Sizes range from outside diameters from .063" up to .157" and free lengths from .250" to 1.181". Inch Series springs are available in Music Wire, Type 302 Stainless Steel and Type 316 Stainless Steel. Metric Series springs are available in Music Wire and Type 302 Stainless Steel. The Music Wire springs are made from coated wire or provided with a plating finish for light corrosion resistance. The Type 302 Stainless Steel springs are passivated, while Type 316 Stainless Steel springs are passivated and ultrasonically cleaned.

Instrument Extension Series (inch) Extension Springs have useful applications in various industries, including:

  • Medical devices
  • Firearms
  • Pharmaceutical delivery devices
  • Lighting and electrical control
  • Petro-chemical processes
  • Communication devices
  • Aerospace
  • Testing and measurement equipment
  • Marine applications
  • Automotive
  • Locks and security devices
  • Precision Instruments
  • Hardware

...and many more applications

233671
Product Extension OD 0.063 in, Length 0.75 in, Stainless Steel
Product Extension OD 1.6 mm, Length 19.05 mm, Stainless Steel
Part Number EI 009A 07 S
Series Instrument Extension Series (inch)
Outside Diameter (inch) 0.063
Outside Diameter (cm) 0.16
Outside Diameter (mm) 1.6
Wire Diameter (inch) 0.009
Wire Diameter (cm) 0.023
Wire Diameter (mm) 0.23
Max Load (gm) 234.2
Max Load (lb) 0.5164
Max Load (kg) 0.2342
Max Load (N) 2.297
Rate (gm/cm) 129
Rate (gm/mm) 12.9
Rate (kg/cm) 0.129
Rate (kg/mm) 0.0129
Rate (lb/in) 0.72
Rate (N/cm) 1.26
Rate (N/mm) 0.126
Max Extended Length (cm) 3.556
Max Extended Length (in) 1.4
Max Extended Length (mm) 35.56
Initial Tension (gm) 22.6
Initial Tension (kg) 0.0226
Initial Tension (lb) 0.0499
Initial Tension (N) 0.222
Free Length (cm) 1.905
Free Length (inch) 0.75
Free Length (mm) 19.05
Material Stainless Steel
Loop Inside Diameter (cm) 0.114
Loop Inside Diameter (in) 0.045
Loop Inside Diameter (mm) 1.14
Ends Standard Loops
Loop Position Random
Direction of Wind Factory Option
Finish Passivate per ASTM A967
0.009 0.063 0.004 0.75 0.03 72.3 0.0499 0.00998 0.72 0.072 1.4 0.5164 0.009 0.66 Random 0.063 0.004 0.75 0.03 72.3 0.0499 0.00998 0.72 0.072 1.4 0.5164
Default View
Side view
Top view
Quantity Price
1 - 19 $9.210
20 - 49 $5.600
50 - 99 $2.960
100 - 199 $1.870
200 - 299 $1.612
300 - 399 $1.494
400 - 499 $1.412
500 - 599 $1.346
600 - 699 $1.295
700 - 799 $1.248
800 - 899 $1.209
900 - 999 $1.175
1000 $1.142

Why Choose Lee Spring?

large selection of springs

Selection

25,000+ products
available, plus custom
products made to your specification.

FREE Standard Ground Shipping

on Stock Springs in the Continental United States

FREE Plating

on all Music Wire Stock Springs

FREE Grinding

on all Standard Stock Compression Springs

in stock springs

In Stock

Springs ready to ship
today.

Expert Engineering Assistance

on Stock and Custom Springs

Certificate of Compliance

on all Stock Springs and Custom Springs

Guaranteed RoHS Compliance

on all Stock Springs

engineering and customer service support

Support

Engineering and
Customer Service teams ready to assist.

Live Customer Service Support

at all Locations

Enhanced CAD Downloads

on Stock Springs Designs

Global Flexibility

allows Lee Spring to find solutions that meet your
geographic requirements wherever your business
takes you in the world

Quick Catalog Request Form

Social Icon

  • facebook
  • facebook
  • linkedin
  • linkedin
  • twitter
  • twitter
  • facebook
  • facebook
  • linkedin
  • linkedin
  • twitter
  • twitter

LeeSpring