Torsion Helical Spring

Model / MPN: 2578825-001A | NSN: 5360-00-757-5494

An open-or close-wound coil spring consisting of one or more helical coils, wound from different shapes and types of material and finished at the ends, designed to exert pressure in a rotating direction around the coil axis. Excludes springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature) and spring, reinforcing, hose.

Product Details

NATO Stock Number

5360-00-757-5494

Sold in multiples of

1 EA

DEMIL

Inside Diameter

1.259 inches

End Style

Straight end both ends

Spring Free Length

Between 1.240 inches and 1.300 inches

Center Section Width

0.612 inches

Coil Quantity

5-3/4

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

Between 3.940 pounds per inch and 4.820 pounds per inch

Spring Free Outside Diameter

1.381 inches

Coil Axis To Center Section Distance

1.159 inches

Center Loop Radius

0.245 inches

End Angular Relationship

End w/lh helix of coil angled to center section and end w/rh helix of coil angled to center section

End Length

1.280 inches both ends

End Length From Coil Axis To First Bend

0.630 inches both ends

End Length From First Bend To Second Bend Or End

0.650 inches both ends

End Tangent Angle

25.5 degrees

Center Tangent Angle

210.0 degrees

Center Style

V type, small

Material

Steel comp 631

Material Specification

Ams 5673 assn standard single material response

Surface Treatment

Passivate

Style Designator

Single torsion right hand

2578825 Series Parts

2578825-001A

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.

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ISO 9001:2015 + AS9120B
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2578825-001A Cross Reference

2579208-001A
2579208-001A
2579208-001A