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Worldwide distributor of NSN parts and consumables located in the USA.

Extension Helical Spring

Model / MPN: 7409903 | NSN: 5360-00-740-9903
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
5360-00-740-9903
Sold in multiples of
25 EA
DEMIL
NO
Inside Diameter
0.465 inches
End Style
Short twisted hook both ends
Spring Free Length
3.250 inches
Coil Quantity
25-1/2
Design Type
Closed
Coil Helix Direction
Right-hand or left-hand
Spring Deflection Rate
15.000 pounds per inch
Spring Free Outside Diameter
0.625 inches
Hook Radius
0.2325 inches both ends
Coil To Hook Inside Length
0.465 inches both ends
Material
Steel
Material Specification
Qq-w-474a, comp a or b federal specification single material response
Surface Treatment
Phosphate
Style Designator
Cylindrical
Solicitations
Solicitation Description Qty UOM Close Date
SPE5EJ17TA616 Spring, Helical, Exte 136 EA 08/23/2017
SPE5EJ18T4381 Spring, Helical, Exte 136 EA 02/20/2018

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