4140-01-620-2497

Find complete technical information, availability, and procurement data for: 4140-01-620-2497
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Federal Supply Group

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Classification

4140 Blower Equipment, Air Circulators and Fans

National Stock Number

4140-01-620-2497

Item Name Code

04254

Assigment Date

07/11/2013 (13 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

4140-01-620-2497, centrifugal fan

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
C7Z15G-17AC	Centrifugal Fan

FAQs

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

What is the FSCG of the NSN 4140-01-620-2497?

The FSCG of the NSN 4140-01-620-2497 is 4140

Does the NSN 4140-01-620-2497 have a Schedule B code assigned?

Yes, the Schedule B code is 8414599080

Does NSN 4140-01-620-2497 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 4140-01-620-2497 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-620-2497 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 4140-01-620-2497 was assigned to the Federal Catalog?

It was assigned 13 years ago, on Thu, Jul 11, 2013