28-056

View detailed technical data, stock status, and sourcing information for: 28-056

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28-056
Federal Supply Group
Hand Tools
Federal Supply Classification
5120 Nonpowered Nonedged Hand Tools
National Stock Number
5120-00-203-4801
Item Name Code
17182
Assigment Date
01/01/1963 (63 years ago)

A nonadjustable wrench having an open end wrenching feature on one or both ends. Excludes:wrench, open end box; wrench, lineman's; and wrench, box and open end, combination.

44.0 rockwell c minimum and 51.0 rockwell c maximum hardness rating, 8.500 inches nominal overall length, 2400.0 inch-pounds minimum torque capacity, 0.312 inches nominal head thickness, 1.750 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
8.500 inches nominal
Head Thickness
0.312 inches nominal
Wrenching Surface Size
1.750 inches nominal single end
Torque Capacity
2400.0 inch-pounds minimum
Hardness Rating
44.0 rockwell c minimum and 51.0 rockwell c maximum
Head Angle
30.0 degrees nominal
Wrenching Surface Shape
oval single end internal
Special Features
forged steel
Material
steel overall
Surface Treatment
nickel and chromium overall
Style Designator
single head

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5120-00-133-0687 No Name Available 04/01/1981
5120-00-184-8593 No Name Available 10/01/1982
5120-00-293-0427 No Name Available 07/01/1976
5120-00-541-2938 No Name Available 01/01/1963

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
04052333002714 Open End Wrench
28-056 Open End Wrench

FAQs

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

What is the FSCG of the NSN 5120-00-203-4801?
The FSCG of the NSN 5120-00-203-4801 is 5120
Does the NSN 5120-00-203-4801 have a Schedule B code assigned?
Yes, the Schedule B code is 8204110030
Does NSN 5120-00-203-4801 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 5120-00-203-4801 contain precious materials?
Item does not contain precious metal.
Does NSN 5120-00-203-4801 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 5120-00-203-4801 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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