B3491-2

View detailed technical data, stock status, and sourcing information for: B3491-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5360 Coil, Flat, Leaf and Wire Springs

National Stock Number

5360-01-270-3862

Item Name Code

04226

Assigment Date

01/06/1988 (38 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

right-hand or left-hand coil helix direction, 0.875 inches nominal spring free length, 28.000 pounds per inch nominal spring deflection rate, 0.326 inches nominal inside diameter, 0.330 inches nominal spring solid 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: 0.326 inches nominal
Spring Free Length: 0.875 inches nominal
Spring Solid Length: 0.330 inches nominal
Coil Helix Direction: right-hand or left-hand
Spring Deflection Rate: 28.000 pounds per inch nominal
Spring Free Outside Diameter: 0.420 inches nominal
Material: steel uns k08500 overall
Material Document And Classification: astm a228 assn std single material response overall
Surface Treatment: cadmium or cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 1 or 2,class 1 or 2 fed spec all treatment responses 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
B3491-2	Compression Helical Spring

FAQs

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

What is the FSCG of the NSN 5360-01-270-3862?

The FSCG of the NSN 5360-01-270-3862 is 5360

Does the NSN 5360-01-270-3862 have a Schedule B code assigned?

Yes, the Schedule B code is 7320201000

Does NSN 5360-01-270-3862 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 5360-01-270-3862 contain precious materials?

Item does not contain precious metal.

Does NSN 5360-01-270-3862 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 5360-01-270-3862 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Wed, Jan 6, 1988