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Physical Dimension

mm cm

Load

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MS24586-1252

Cost
$0.00
$0.00
Price
$0.00
Weight
0.03 lb.
Direction of Wind
Factory Option
Ends
Machine Loops
Finish
Zinc Plate and Bake per ASTM B633
Material
Music Wire
Total Coils
15.000
Published Stock Code
MS245861252
Product Type
Extension Spring
Product Category
Stock
Revision
E
Rate (N/mm)
0.84
Rate (kg/cm)
0.86
Rate (lb/in)
4.80
Rate (gm/mm)
85.70
Weight per Item (lb)
0.03
Material Specification
ASTM A228
Free Length (cm)
5.715
Free Length (inch)
2.250
Free Length (mm)
57.150
Free Length - Build Spec (in)
2.25
Free Length Tolerance (cm)
0.00
Free Length Tolerance (in)
0.00
Free Length Tolerance (mm)
0.00
Free Length Tolerance - Build Spec (in)
0.00
Inside Diameter (cm)
1.59
Inside Diameter (in)
0.62
Inside Diameter (mm)
15.85
Outside Diameter (cm)
1.905
Outside Diameter (in)
0.75
Outside Diameter (mm)
19.05
Outside Diameter - Build Spec (in)
0.75
Outside Diameter Tolerance (cm)
0.04
Outside Diameter Tolerance (in)
0.02
Outside Diameter Tolerance (mm)
0.38
Outside Diameter Tolerance - Build Spec (in)
0.02
Rate (gm/cm)
857.00
Rate (kg/mm)
0.09
Rate (N/cm)
8.41
Rate - Build Spec (lb/in)
4.80
Rate Tolerance (gm/cm)
85.70
Rate Tolerance (gm/mm)
8.57
Rate Tolerance (kg/cm)
0.09
Rate Tolerance (kg/mm)
0.01
Rate Tolerance (lb/in)
0.48
Rate Tolerance (N/cm)
0.84
Rate Tolerance (N/mm)
0.08
Rate Tolerance - Build Spec (lb/in)
0.48
Total Coils - Build Spec
15.00
Wire Diameter (cm)
0.16
Wire Diameter (inch)
0.06
Wire Diameter (mm)
1.60
Wire Diameter - Build Spec (in)
0.06
Material Short Description
MW
Product Series
MIL SPEC Extension (MS24586)
Inside Diameter Tolerance (cm)
Reference
Inside Diameter Tolerance (in)
Reference
Inside Diameter Tolerance (mm)
Reference
Initial Tension - Build Spec. (lb)
1.20
Initial Tension (lb)
1.20
Initial Tension (N)
5.34
Initial Tension (kg)
0.54
Initial Tension (gm)
544.30
Initial Tension Tolerance - Build Spec. (lb)
0.00
Initial Tension Tolerance (lb)
0.00
Initial Tension Tolerance (N)
0.00
Initial Tension Tolerance (kg)
0.00
Initial Tension Tolerance (gm)
0.00
Inside Diameter Tolerance - Build Spec (in)
REF
Max Load - Build Spec. (lb)
12.80
Max Load (lb)
12.80
Max Load (kg)
5.81
Max Load (gm)
5806.10
Max Extended Length - Build Spec. (in)
4.67
Max Extended Length (in)
4.67
Max Extended Length (mm)
118.62
Max Extended Length (cm)
11.86
Body Length - Build Spec. (in)
1.01
Body Length (in)
1.01
Body Length (mm)
25.60
Body Length (cm)
2.56
Loop Inside Diameter - Build Spec. (in)
0.62
Loop Inside Diameter (in)
0.62
Loop Inside Diameter (mm)
15.85
Loop Inside Diameter (cm)
1.59
Loop Position
Inline
Loop Opening - Build Spec. (in)
0.03
Loop Opening (in)
0.03
Loop Opening (mm)
0.79
Loop Opening (cm)
0.08
Max Load (N)
56.94
Inside Diameter - Build Spec (in)
0.62
Model Code
MS

MIL SPEC Extension (MS24586)

Available for Immediate Delivery from Stock

The MS24586-1252 is a military specification extension spring from the MIL SPEC Extension (MS24586) series, designed to meet stringent defense and aerospace standards for critical applications. This precision spring features a 0.75-inch outside diameter (19.05 mm) with 0.624-inch loop inside diameter (15.85 mm) and extends from a free length of 2.25 inch (57.15 mm) to a maximum extended length of 4.67 inch (118.62 mm), providing reliable extension performance in military and aerospace systems where consistent operation under extreme conditions is mandatory. Manufactured from Music Wire with a 0.063-inch wire diameter (1.6 mm), the spring delivers a spring rate of 4.8 lb/inch (0.841 N/mm) through its 15 total coils with an initial tension of 1.2 lb (5.338 N) ensuring predictable force characteristics required by military specifications. With Inline loop positions for optimal load distribution and precise attachment, the spring supports a maximum load of 12.8 lb (56.937 N) at full extension with a body length of 1.008 inch (25.6 mm). This MIL-SPEC spring is essential for defense contractors, aerospace manufacturers, and government applications where compliance with military standards and proven reliability are non-negotiable requirements.

Learn about the MIL-SPEC Springs Series - MS24586

These products are part of the United States Defense Standard. They are used to help achieve standardization objectives set by the U.S. Department of Defense. This series is also commonly known interchangeably as "military standards", "MIL-SPEC", "MIL-STD" or "MilSpecs." These high precision designs meet stringent technical requirements and are used in a multitude of Military and Aerospace applications, both defense and non-defense related. MIL-SPEC springs are increasingly specified by other non-Defense government organizations, technical organizations, and highly regulated industries. The MIL-SPEC standard for extension springs for loads below 30 lbs. is AS24586; this was formerly MS24586. The MIL-SPEC standard for compression springs for loads below 20 lbs. is AS24585; this standard was formerly MS24585 are also available from stock and ready to ship.

MIL SPEC Extension (MS24586) 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

454381
Product MIL SPEC Extension Spring: OD 0.75 in, FL 2.25 in, Music Wire
Product MIL SPEC Extension Spring: OD 0.75 in, FL 2.25 in, Music Wire
Part Number MS24586-1252
Series MIL SPEC Extension (MS24586)
Outside Diameter (inch) 0.75
Outside Diameter (cm) 1.905
Outside Diameter (mm) 19.05
Wire Diameter (inch) 0.063
Wire Diameter (cm) 0.16
Wire Diameter (mm) 1.6
Max Load (gm) 5806.1
Max Load (lb) 12.8
Max Load (kg): 5.8061
Max Load (N): 56.937
Rate (gm/cm) 857
Rate (gm/mm) 85.7
Rate (kg/cm) 0.857
Rate (kg/mm) 0.0857
Rate (lb/in) 4.8
Rate (N/cm) 8.41
Rate (N/mm) 0.841
Max Extended Length (cm) 11.862
Max Extended Length (in) 4.67
Max Extended Length (mm) 118.62
Initial Tension (gm) 544.3
Initial Tension (kg) 0.5443
Initial Tension (lb) 1.2
Initial Tension (N) 5.338
Free Length (cm) 5.715
Free Length (inch) 2.25
Free Length (mm) 57.15
Material Music Wire
Loop Inside Diameter (cm) 1.585
Loop Inside Diameter (in) 0.624
Loop Inside Diameter (mm) 15.85
Ends Machine Loops
Loop Position Inline
Direction of Wind Factory Option
Finish Zinc Plate and Bake per ASTM B633
0.063 0.75 0.015 2.25 0 15 1.2 0 4.8 0.48 4.67 12.8 0.063 1.008 Inline 0.75 0.015 2.25 0 15 1.2 0 4.8 0.48 4.67 12.8
Default View
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Quantity Price
1 - 19 $21.020
20 - 49 $13.870
50 - 99 $9.130
100 - 199 $6.590
200 - 299 $4.762
300 - 399 $3.785
400 - 499 $3.163
500 - 599 $2.734
600 - 699 $2.418
700 - 799 $2.173
800 - 899 $1.975
900 - 999 $1.816
1000 $1.684

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