Compression Helical Spring

Model / MPN: A51K56520-11 | NSN: 5360-00-004-1418

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

Product Details

NATO Stock Number

5360-00-004-1418

Sold in multiples of

1 EA

DEMIL

Inside Diameter

Between 0.518 inches and 0.548 inches

End Style

E4 spring end, squared and ground both ends

End Style

Spring end, squared and ground both ends

Bore Diameter

0.750 inches

Spring Free Length

1.410 inches

Material Hardness Rating

Between 56.0 rockwell c and 59.0 rockwell c

Coil Quantity

Spring Solid Length

0.720 inches

Spring Solid Outside Diameter

0.715 inches

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

Between 45.000 pounds per inch and 55.000 pounds per inch

Spring Free Outside Diameter

Between 0.700 inches and 0.730 inches

Material

Steel comp 631

Material Specification

Ams 5673 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Gss7021, grumman aero space corporation mfr ref single treatment response

Style Designator

Cylindrical

A51K56520 Series Parts

A51K56520-11

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
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A51K56520-11 Cross Reference

A51K56520-11