1AK55

View detailed technical data, stock status, and sourcing information for: 1AK55
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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-01-627-2631

Item Name Code

03518

Assigment Date

04/08/2014 (12 years ago)

1.500 inches nominal overall length, 0.688 inches nominal wrenching end opening depth, 11.0 millimeters nominal single end wrenching surface size, 1.094 inches nominal drive end outside diameter, 1.094 inches nominal wrenching end outside diameter

Product Characteristics

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

Overall Length: 1.500 inches nominal
Wrenching End Outside Diameter: 1.094 inches nominal
Drive End Outside Diameter: 1.094 inches nominal
Wrenching End Opening Depth: 0.688 inches nominal
Wrenching Surface Size: 11.0 millimeters nominal single end
Drive Surface Size: 0.375 inches nominal single end
Features Provided: manual tool
Wrenching Surface Shape: 12 point single end internal
Drive End Shape: square single end internal
Material: steel overall
Surface Treatment: chromium overall
Style Designator: internal-internal

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5120-01-399-9994	No Name Available	01/01/2015
5120-01-592-0923	No Name Available	05/01/2018

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
1AK55	Socket Wrench Socket
5211M	Socket Wrench Socket
J5211M	Socket Wrench Socket
STP 5211MG	Socket Wrench Socket

FAQs

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

What is the FSCG of the NSN 5120-01-627-2631?

The FSCG of the NSN 5120-01-627-2631 is 5120

Does the NSN 5120-01-627-2631 have a Schedule B code assigned?

Yes, the Schedule B code is 8204200000

Does NSN 5120-01-627-2631 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 5120-01-627-2631 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-01-627-2631 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 5120-01-627-2631 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Tue, Apr 8, 2014