ZM721

View detailed technical data, stock status, and sourcing information for: ZM721
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-254-1888

Item Name Code

04226

Assigment Date

01/01/1961 (65 years ago)

0.938 inches nominal bore diameter, 0.625 inches nominal accommodated rod diameter, spring end,squared and ground both ends end style, 0.688 inches nominal inside diameter, 1.813 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: 0.688 inches nominal
End Style: spring end,squared and ground both ends
Bore Diameter: 0.938 inches nominal
Spring Free Length: 1.813 inches nominal
Accommodated Rod Diameter: 0.625 inches nominal
Coil Helix Direction: right-hand
Spring Deflection Rate: 37.000 pounds per inch nominal
Spring Free Outside Diameter: 0.891 inches nominal
Material: copper alloy 511 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Below is a list of NSNs that have been officially superseded by this NSN: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
4320-00-300-5820	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
962262	Compression Helical Spring
ZM721	Compression Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-254-1888?

The FSCG of the NSN 5360-00-254-1888 is 5360

Does NSN 5360-00-254-1888 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 5360-00-254-1888 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-254-1888 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 5360-00-254-1888 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961