9348221

View detailed technical data, stock status, and sourcing information for: 9348221
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-128-5640

Item Name Code

04228

Assigment Date

03/25/1982 (44 years ago)

An open- or close-wound coil spring, consisting of one or more helical coils wound from different shapes and types of material and finished at the ends, designed to exert pressure in a rotating direction around the coil axis. Excludes:springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature) and spring,reinforcing,hose.

one hook end first end end style, 5.1 millimeters nominal inside diameter, parallel end second end end style, 1.3 millimeters nominal stock diameter, machine gun,5.56-mm,m249 end item identification

Product Characteristics

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

Inside Diameter: 5.1 millimeters nominal
End Style: one hook end first end
End Style: parallel end second end
Stock Diameter: 1.3 millimeters nominal
End Item Identification: machine gun,5.56-mm,m249
Spring Free Length: 6.5 millimeters nominal
Coil Quantity: 4
Coil Helix Direction: left-hand
Spring Free Outside Diameter: 7.7 millimeters nominal
End Angular Relationship: ends angled one to other
End Length: 14.5 millimeters nominal second end
End Length: 10.0 millimeters nominal first end
End Length From Coil Axis To First Bend: 6.0 millimeters nominal second end
End Length From First Bend To Second Bend Or End: 4.24 millimeters nominal second end
End Length From Second Bend To Third Bend Or End: 5.0 millimeters nominal second end
Material: steel uns k08500 overall
Material Document And Classification: qq-w-470 fed spec single material response overall
Surface Treatment: phosphate manganese and phosphate zinc overall
Surface Treatment Document And Classification: mil-std-171 mil std all treatment responses overall
Style Designator: single torsion left hand

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
10420735	Torsion Helical Spring
361.253.001	Torsion Helical Spring
3612530013	Torsion Helical Spring
711531509906	Torsion Helical Spring
9348221	Torsion Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-01-128-5640?

The FSCG of the NSN 5360-01-128-5640 is 5360

Does the NSN 5360-01-128-5640 have a Schedule B code assigned?

Yes, the Schedule B code is 7320205000

Does NSN 5360-01-128-5640 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 5360-01-128-5640 contain precious materials?

Item does not contain precious metal.

Does NSN 5360-01-128-5640 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 5360-01-128-5640 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Mar 25, 1982