21-19556 MK-E

View detailed technical data, stock status, and sourcing information for: 21-19556 MK-E

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21-19556 MK-E
Federal Supply Group
Hand Tools
Federal Supply Classification
5120 Nonpowered Nonedged Hand Tools
National Stock Number
5120-01-335-0893
Item Name Code
03518
Assigment Date
03/05/1991 (35 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.

12 point single end internal wrenching surface shape, manual tool features provided, 2.312 inches maximum overall length, 0.375 inches nominal single end drive surface size, 0.750 inches 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
2.312 inches maximum
Wrenching Surface Size
0.750 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
Material
steel overall
Surface Treatment
chromium overall
Style Designator
universal joint
Specification/Standard Data
0u583-sae as954 professional/industrial association standard
Nondefinitive Spec/Std Data
1 type and 2 class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5120-00-759-9540 No Name Available 09/01/2017
5120-01-335-2078 No Name Available 03/01/2010
5120-01-430-0498 No Name Available 03/01/2010
5120-01-430-0752 No Name Available 03/01/2010
5120-01-536-1160 No Name Available 11/01/2007

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
21-19556 MK-E Socket Wrench Socket
FU24A Socket Wrench Socket
SSU386I Socket Wrench Socket

FAQs

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

What is the FSCG of the NSN 5120-01-335-0893?
The FSCG of the NSN 5120-01-335-0893 is 5120
Does the NSN 5120-01-335-0893 have a Schedule B code assigned?
Yes, the Schedule B code is 8204200000
Does NSN 5120-01-335-0893 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 5120-01-335-0893 contain precious materials?
Item does not contain precious metal.
Does NSN 5120-01-335-0893 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 5120-01-335-0893 was assigned to the Federal Catalog?
It was assigned 35 years ago, on Tue, Mar 5, 1991

Professional Distribution

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