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Extension Helical Spring

Model / MPN: 3172525-2 | NSN: 5360-01-453-9151
ITAR Registered seal

An open-or close-coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, so designed to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound so that an initial load must be applied to separate them. Excludes spring, reinforcing, hose.

Product Details
NATO Stock Number
5360-01-453-9151
Sold in multiples of
1 EA
DEMIL
NO
Inside Diameter
0.326 inches
Opening Width
0.340 inches second end
End Style
Long round hook second end
End Style
Reduced center loop first end
Stock Diameter
0.072 inches
Spring Free Length
1.764 inches
Coil Quantity
11-1/2
Design Type
Open
Load Rating
Between 13.700 pounds and 43.400 pounds
Coil Helix Direction
Right-hand
Spring Deflection Rate
Between 50.000 pounds per inch and 58.000 pounds per inch
Spring Free Outside Diameter
0.470 inches
Hook Radius
0.080 inches first end and 0.095 inches first end
Hook Radius
0.100 inches second end and 0.120 inches second end
End Angular Relationship
Ends angled one to other
Spring Length Under Load
Between 1.770 inches and 2.320 inches
Coil To Hook Inside Length
0.160 inches first end and 0.190 inches first end
Coil To Hook Inside Length
0.480 inches second end
Material
Steel comp 631
Material Specification
Ams 5673 assn standard single material response or ams 5678 assn standard single material response
Style Designator
Cylindrical
3172525 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A020T0684 Spring, Helical, Exte 1 EA 12/30/2019

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3172525-2 Cross Reference