66-21172-2

View detailed technical data, stock status, and sourcing information for: 66-21172-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-199-3939

Item Name Code

04228

Assigment Date

01/21/1985 (41 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.

4-1/4 coil quantity, right-hand coil helix direction, 0.670 inches nominal spring free length, one hook end overall end style, 0.560 inches nominal inside diameter

Product Characteristics

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

Inside Diameter: 0.560 inches nominal
End Style: one hook end overall
Spring Free Length: 0.670 inches nominal
Coil Quantity: 4-1/4
Coil Helix Direction: right-hand
End Angular Relationship: ends angled one to other
End Length: 1.000 inches nominal both ends
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
66-21172-2	Torsion Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-01-199-3939?

The FSCG of the NSN 5360-01-199-3939 is 5360

Does NSN 5360-01-199-3939 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 5360-01-199-3939 contain precious materials?

Item does not contain precious metal.

Does NSN 5360-01-199-3939 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 5360-01-199-3939 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Mon, Jan 21, 1985