ES-304

View detailed technical data, stock status, and sourcing information for: ES-304

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ES-304
Federal Supply Group
Hand Tools
Federal Supply Classification
5120 Nonpowered Nonedged Hand Tools
National Stock Number
5120-00-277-8311
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.

3.560 inches maximum overall length, 0.156 inches maximum small end head thickness, 0.312 inches nominal second end wrenching surface size, 0.281 inches nominal first end wrenching surface size, 0.156 inches maximum large end head thickness

Product Characteristics

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

Overall Length
3.560 inches maximum
Large End Head Thickness
0.156 inches maximum
Small End Head Thickness
0.156 inches maximum
Wrenching Surface Size
0.281 inches nominal first end
Wrenching Surface Size
0.312 inches nominal second end
Wrenching Surface Shape
oval both ends internal
Small End Head Angle
15.0 degrees nominal
Large End Head Angle
60.0 degrees nominal
Environmental Attribute Code
plastics removal in the marine environment (prime) product
Special Features
forged steel
Material
steel overall
Surface Treatment
chromium overall
Style Designator
double head
Specification/Standard Data
05047-asme b107.100 cat 39 professional/industrial association standard
Nondefinitive Spec/Std Data
2 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Below is a list of NSNs that have been officially superseded by this NSN: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
5120-00-317-8115 No Name Available 08/01/1979
5120-00-972-8283 No Name Available 01/01/1960

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
ES-304 Open End Wrench

FAQs

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

What is the FSCG of the NSN 5120-00-277-8311?
The FSCG of the NSN 5120-00-277-8311 is 5120
Does the NSN 5120-00-277-8311 have a Schedule B code assigned?
Yes, the Schedule B code is 8204110030
Does NSN 5120-00-277-8311 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 5120-00-277-8311 contain precious materials?
Item does not contain precious metal.
Does NSN 5120-00-277-8311 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 5120-00-277-8311 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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