1AH20

View detailed technical data, stock status, and sourcing information for: 1AH20
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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-01-399-9536

Item Name Code

03518

Assigment Date

12/07/1994 (31 years ago)

An item having an internal drive at one end made to fit into the external drive end of a socket wrench handle, torque wrench, or power driven tool. The opposite end consists of various internal wrench shapes such as hexagon or square. It may include an integral universal joint.

6 point single end internal wrenching surface shape, square single end internal drive end shape, 0.250 inches nominal single end drive surface size, 26.0 millimeters maximum overall length, 9.0 millimeters nominal single end wrenching surface size

Product Characteristics

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

Overall Length: 26.0 millimeters maximum
Wrenching Surface Size: 9.0 millimeters nominal single end
Drive Surface Size: 0.250 inches nominal single end
Wrenching Surface Shape: 6 point single end internal
Drive End Shape: square single end internal
Material: steel overall
Surface Treatment: chromium overall
Style Designator: internal-internal
Specification/Standard Data: 05047-asme b107.5 professional/industrial association standard
Nondefinitive Spec/Std Data: 1 type and 1 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5120-01-649-0848	No Name Available	04/01/2023

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
1AH20	Socket Wrench Socket
4709M	Socket Wrench Socket
J4709M	Socket Wrench Socket

FAQs

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

What is the FSCG of the NSN 5120-01-399-9536?

The FSCG of the NSN 5120-01-399-9536 is 5120

Does the NSN 5120-01-399-9536 have a Schedule B code assigned?

Yes, the Schedule B code is 8204200000

Does NSN 5120-01-399-9536 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 5120-01-399-9536 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-01-399-9536 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 5120-01-399-9536 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Dec 7, 1994