K13521

View detailed technical data, stock status, and sourcing information for: K13521
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-249-8285

Item Name Code

04228

Assigment Date

01/01/1963 (63 years ago)

0.240 inches minimum and 0.260 inches maximum inside diameter, one hook end first end end style, reduced loop end second end end style, 11-1/2 coil quantity, 0.625 inches nominal spring free length

Product Characteristics

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

Inside Diameter: 0.240 inches minimum and 0.260 inches maximum
End Style: one hook end first end
End Style: reduced loop end second end
Spring Free Length: 0.625 inches nominal
Coil Quantity: 11-1/2
Coil Helix Direction: left-hand
Hook Radius: 0.125 inches nominal overall
End Angular Relationship: ends angled one to other
End Length From Second Bend To Third Bend Or End: 0.171 inches nominal overall
Material: steel overall
Style Designator: single torsion left hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5340-00-360-7741	No Name Available	01/01/1960

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
11A813521	Torsion Helical Spring
127105	Torsion Helical Spring
136978H	Torsion Helical Spring
5291144	Torsion Helical Spring
9B9075	Torsion Helical Spring
JA7669	Torsion Helical Spring
K13521	Torsion Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-249-8285?

The FSCG of the NSN 5360-00-249-8285 is 5360

Does NSN 5360-00-249-8285 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 5360-00-249-8285 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-249-8285 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 5360-00-249-8285 was assigned to the Federal Catalog?

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