TU-20

View detailed technical data, stock status, and sourcing information for: TU-20

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TU-20
Federal Supply Group
Hand Tools
Federal Supply Classification
5120 Nonpowered Nonedged Hand Tools
National Stock Number
5120-00-142-5157
Item Name Code
03518
Assigment Date
05/29/1968 (58 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.

0.460 inches minimum wrenching end opening depth, 0.785 inches maximum drive end outside diameter, 0.880 inches maximum wrenching end outside diameter, 0.625 inches nominal single end wrenching surface size, 2.250 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
2.250 inches maximum
Wrenching End Outside Diameter
0.880 inches maximum
Drive End Outside Diameter
0.785 inches maximum
Wrenching End Opening Depth
0.460 inches minimum
Wrenching Surface Size
0.625 inches 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
Special Features
bolt clearance dia min 0.578 in.
Material
steel overall
Surface Treatment
chromium overall
Style Designator
universal joint
Specification/Standard Data
81343-sae as954 professional/industrial association standard
Nondefinitive Spec/Std Data
1 type and 2 class

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
33220-09 Socket Wrench Socket
TU-20 Socket Wrench Socket

FAQs

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

What is the FSCG of the NSN 5120-00-142-5157?
The FSCG of the NSN 5120-00-142-5157 is 5120
Does the NSN 5120-00-142-5157 have a Schedule B code assigned?
Yes, the Schedule B code is 8204200000
Does NSN 5120-00-142-5157 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 5120-00-142-5157 contain precious materials?
Item does not contain precious metal.
Does NSN 5120-00-142-5157 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 5120-00-142-5157 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, May 29, 1968

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