Torsion Helical Spring

Model / MPN: 17P3A4420-501 | NSN: 5360-01-598-6647

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

5360-01-598-6647

Sold in multiples of

1 EA

DEMIL

Inside Diameter

Between 0.9200 inches and 0.9640 inches

End Style

Straight bend end (left)

Offset Distance

Between 0.32 inches and 0.42 inches

Stock Diameter

0.032 inches

Spring Free Length

Between 1.6900 inches and 1.7500 inches

Center Section Width

Between 1.62 inches and 1.68 inches

Coil Quantity

1.101

Coil Helix Direction

Left-hand or right-hand

Spring Free Outside Diameter

1.006 inches

Coil Axis To Center Section Distance

1.00 inches

End Angular Relationship

End w/lh helix of coil parallel to center section or end w/rh helix of coil parallel to center section

Part Name Assigned By Controlling Agency

Spring torsion-ditching pawl, cargo door

End Length

0.97 inches and 1.03 inches

End Length From First Bend To Second Bend Or End

0.50 mils and 0.56 centimeters

Center Style

Cone (belleville)

Material

Titanium

Material Specification

Dms 2267 grade b cold drawn mfr ref single material response

Style Designator

Double torsion, right and left hand

17P3A4420 Series Parts

Pricing and Availability

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Torsion Helical Spring

Pricing and Availability

Certified Quality Assurance

17P3A4420-501 Cross Reference