4MM-ALLEN

View detailed technical data, stock status, and sourcing information for: 4MM-ALLEN
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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-01-045-4889

Item Name Code

03519

Assigment Date

08/03/1977 (48 years ago)

4.0 millimeters nominal both ends wrenching surface size, 74.0 millimeters maximum overall length, 21.0 millimeters minimum and 25.0 millimeters maximum short arm length, 66.0 millimeters minimum and 70.0 millimeters maximum long arm length, short series features provided

Product Characteristics

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

Overall Length: 74.0 millimeters maximum
Long Arm Length: 66.0 millimeters minimum and 70.0 millimeters maximum
Short Arm Length: 21.0 millimeters minimum and 25.0 millimeters maximum
Wrenching Surface Size: 4.0 millimeters nominal both ends
Features Provided: short series
Wrenching Surface Shape: hexagon both ends external
Material: steel overall
Surface Treatment: oxide overall
Style Designator: l-handle
Specification/Standard Data: 05047-asme b18.3.2 professional/industrial association standard
Departure From Cited Document: as modified by short arm length

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5120-01-069-6780	No Name Available	05/01/1989
5120-01-431-7062	No Name Available	10/01/2010

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
0198 4507	Socket Head Screw Key
11/155107	Socket Head Screw Key
422-29-101-0002	Socket Head Screw Key
4MM-ALLEN	Socket Head Screw Key
529V0324	Socket Head Screw Key
5401-1570	Socket Head Screw Key
57124	Socket Head Screw Key
WM4	Socket Head Screw Key

FAQs

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

What is the FSCG of the NSN 5120-01-045-4889?

The FSCG of the NSN 5120-01-045-4889 is 5120

Does the NSN 5120-01-045-4889 have a Schedule B code assigned?

Yes, the Schedule B code is 8204200000

Does NSN 5120-01-045-4889 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 5120-01-045-4889 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-01-045-4889 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 5120-01-045-4889 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Wed, Aug 3, 1977