31-028

View detailed technical data, stock status, and sourcing information for: 31-028

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31-028
Federal Supply Group
Hand Tools
Federal Supply Classification
5120 Nonpowered Nonedged Hand Tools
National Stock Number
5120-00-277-1253
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.

3910.0 inch-pounds minimum torque capacity, 40.0 rockwell c minimum and 55.0 rockwell c maximum hardness rating, 0.875 inches nominal single end wrenching surface size, 0.500 inches maximum head thickness, 8.000 inches minimum 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
8.000 inches minimum
Head Thickness
0.500 inches maximum
Wrenching Surface Size
0.875 inches nominal single end
Torque Capacity
3910.0 inch-pounds minimum
Hardness Rating
40.0 rockwell c minimum and 55.0 rockwell c maximum
Head Angle
15.0 degrees nominal
Wrenching Surface Shape
oval single end internal
Material
steel overall
Surface Treatment
enamel 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Below is a list of NSNs that have been officially superseded by this NSN: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
5120-00-449-8162 No Name Available 11/10/1966
5120-00-517-6111 No Name Available 11/01/1982
5120-00-596-1228 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
31-028 Open End Wrench
OMTGD19 Open End Wrench

FAQs

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

What is the FSCG of the NSN 5120-00-277-1253?
The FSCG of the NSN 5120-00-277-1253 is 5120
Does the NSN 5120-00-277-1253 have a Schedule B code assigned?
Yes, the Schedule B code is 8204110030
Does NSN 5120-00-277-1253 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 5120-00-277-1253 contain precious materials?
Item does not contain precious metal.
Does NSN 5120-00-277-1253 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 5120-00-277-1253 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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