523520

View detailed technical data, stock status, and sourcing information for: 523520
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-291-8339

Item Name Code

04227

Assigment Date

01/01/1963 (63 years ago)

0.250 inches nominal first end opening width, 0.294 inches nominal inside diameter, 2.362 inches nominal spring free length, raised hook both ends end style, 0.437 inches nominal both ends opening width

Product Characteristics

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

Inside Diameter: 0.294 inches nominal
Opening Width: 0.250 inches nominal first end
Opening Width: 0.437 inches nominal both ends
End Style: raised hook both ends
Spring Free Length: 2.362 inches nominal
Coil Quantity: 30
Design Type: closed
Load Rating: 6.870 pounds nominal
Coil Helix Direction: right-hand or left-hand
Spring Deflection Rate: 3.800 pounds per inch nominal
Spring Free Outside Diameter: 0.375 inches nominal
Spring Length Under Load: 4.060 inches nominal
Coil To Hook Inside Length: 0.500 inches nominal first end
Coil To Hook Inside Length: 0.625 inches nominal second end
Material: steel overall
Material Document And Classification: mil-w-6101 mil spec single material response overall
Surface Treatment: cadmium overall
Style Designator: cylindrical

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1620-00-328-1895	No Name Available	01/01/1963

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
523520	Extension Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-291-8339?

The FSCG of the NSN 5360-00-291-8339 is 5360

Does NSN 5360-00-291-8339 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 5360-00-291-8339 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-291-8339 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 5360-00-291-8339 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963