1AM21

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Federal Supply Group

Hand Tools

Federal Supply Classification

5120 Nonpowered Nonedged Hand Tools

National Stock Number

5120-01-400-0231

Item Name Code

03493

Assigment Date

12/07/1994 (31 years ago)

A manual tool for tightening various fasteners to a precise torque value. Consists of a handle and drive to accommodate female square drive sockets and other types of wrenching adapters. Torque value may be manually set and adjusted by user or may be provided as preset for production line use. A signaling device is generally provided to indicate when set torque value is reached. Handle is swung at right angle to axis of fastener rotation to apply torque. For items with handles that are spun in-line with axis of fastener rotation to apply torque, see screwdriver, torque.

0.500 inches nominal single end drive surface size, standard head; 38 tooth; straight round knurled steel handle special features, square single end external drive end shape, steel overall material, 14.87 inches minimum and 16.87 inches maximum overall length

Product Characteristics

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

Overall Length: 14.87 inches minimum and 16.87 inches maximum
Drive Surface Size: 0.500 inches nominal single end
Drive End Shape: square single end external
Special Features: standard head; 38 tooth; straight round knurled steel handle
Material: steel overall
Surface Treatment: chromium overall
Style Designator: ratchet
Specification/Standard Data: 0u583-sae as4283 professional/industrial association standard
Nondefinitive Spec/Std Data: 1 type and 2 class and b style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5120-01-015-2085	No Name Available	07/01/1995
5120-01-589-9271	No Name Available	08/01/2017

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
1AM21	Socket Wrench Handle
J5450	Socket Wrench Handle
STP 5450	Socket Wrench Handle

FAQs

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

What is the FSCG of the NSN 5120-01-400-0231?

The FSCG of the NSN 5120-01-400-0231 is 5120

Does the NSN 5120-01-400-0231 have a Schedule B code assigned?

Yes, the Schedule B code is 8204200000

Does NSN 5120-01-400-0231 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 5120-01-400-0231 contain precious materials?

Item does not contain precious metal.

Does NSN 5120-01-400-0231 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 5120-01-400-0231 was assigned to the Federal Catalog?

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