NK-406-1

View detailed technical data, stock status, and sourcing information for: NK-406-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-178-2191

Item Name Code

04226

Assigment Date

05/03/1984 (42 years ago)

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.

spring end,squared and ground both ends end style, 10.312 inches nominal spring free length, 3.374 inches nominal inside diameter, 565.000 pounds nominal load rating, 11 1/2 coil quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Inside Diameter: 3.374 inches nominal
End Style: spring end,squared and ground both ends
Spring Free Length: 10.312 inches nominal
Coil Quantity: 11 1/2
Load Rating: 565.000 pounds nominal
Spring Solid Length: 5.031 inches nominal
Spring Solid Outside Diameter: 4.250 inches nominal
Coil Helix Direction: right-hand or left-hand
Spring Deflection Rate: 100.000 pounds per inch nominal
Spring Free Outside Diameter: 4.250 inches nominal
Spring Length Under Load: 5.031 inches nominal
Material: steel overall
Material Document And Classification: qq-w-428 fed spec single material response overall
Surface Treatment: cadmium overall
Style Designator: cylindrical

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
NK-406-1	Compression Helical Spring
NK406-1	Compression Helical Spring

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5360-01-178-2191?

The FSCG of the NSN 5360-01-178-2191 is 5360

Does NSN 5360-01-178-2191 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5360-01-178-2191 contain precious materials?

Item does not contain precious metal.

Does NSN 5360-01-178-2191 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5360-01-178-2191 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, May 3, 1984