X640B

View detailed technical data, stock status, and sourcing information for: X640B

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X640B
Federal Supply Group
Hand Tools
Federal Supply Classification
5120 Nonpowered Nonedged Hand Tools
National Stock Number
5120-00-287-4170
Item Name Code
03555
Assigment Date
01/01/1963 (63 years ago)

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

3.000 inches maximum outside diameter, 1.750 inches minimum offset height, for tool kit 5180-00-289-8930 end item identification, 1.250 inches maximum head thickness, 12.750 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
12.750 inches minimum
Outside Diameter
3.000 inches maximum
End Item Identification
for tool kit 5180-00-289-8930
Head Thickness
1.250 inches maximum
Offset Height
1.750 inches minimum
Wrenching Surface Size
2.000 inches nominal single end
Wrenching Surface Shape
12 point single end internal
Special Markings
wrench size
Material
steel overall
Surface Treatment
oxide overall
Style Designator
double offset stub end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5120-00-499-4843 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
1264TOB Box Wrench
604894 Box Wrench
X640B Box Wrench

FAQs

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

What is the FSCG of the NSN 5120-00-287-4170?
The FSCG of the NSN 5120-00-287-4170 is 5120
Does the NSN 5120-00-287-4170 have a Schedule B code assigned?
Yes, the Schedule B code is 8204110030
Does NSN 5120-00-287-4170 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 5120-00-287-4170 contain precious materials?
Item does not contain precious metal.
Does NSN 5120-00-287-4170 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 5120-00-287-4170 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

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  • AS9120 Quality Standards
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