7320-221

View detailed technical data, stock status, and sourcing information for: 7320-221
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-00-067-9711

Item Name Code

04226

Assigment Date

07/11/1967 (59 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.

7-1/2 coil quantity, 0.750 inches nominal spring free length, spring end,squared and ground both ends end style, 0.343 inches nominal bore diameter, 0.250 inches nominal accommodated rod diameter

Product Characteristics

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

End Style: spring end,squared and ground both ends
Bore Diameter: 0.343 inches nominal
Spring Free Length: 0.750 inches nominal
Accommodated Rod Diameter: 0.250 inches nominal
Coil Quantity: 7-1/2
Load Rating: 3.330 pounds minimum and 4.070 pounds maximum
Spring Solid Length: 0.500 inches nominal
Spring Solid Outside Diameter: 0.328 inches minimum
Coil Helix Direction: right-hand
Spring Deflection Rate: 14.600 pounds per inch minimum and 15.000 pounds per inch maximum
Spring Free Outside Diameter: 0.328 inches maximum
Spring Length Under Load: 0.500 inches nominal
Material: steel uns k08500 overall
Material Document And Classification: qq-w-470 fed spec single material response overall
Surface Treatment: tin 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
7320-221	Compression Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-00-067-9711?

The FSCG of the NSN 5360-00-067-9711 is 5360

Does NSN 5360-00-067-9711 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 5360-00-067-9711 contain precious materials?

Precious metal content is unknown

Does NSN 5360-00-067-9711 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 5360-00-067-9711 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Tue, Jul 11, 1967