B457

View detailed technical data, stock status, and sourcing information for: B457
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Federal Supply Group

Electrical and Electronic Equipment Components

Federal Supply Classification

5940 Terminal Strips, Terminals and Lugs

National Stock Number

5940-00-230-0551

Item Name Code

00746

Assigment Date

01/01/1963 (63 years ago)

uninsulated electrical insulation feature, 0.904 inches overall length, 0.041 inches material thickness, 0.234 inches overall width, 14 awg maximum conductor size accommodated

Product Characteristics

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

Overall Length: 0.904 inches
Overall Width: 0.234 inches
Material Thickness: 0.041 inches
Maximum Conductor Size Accommodated: 14 awg
Electrical Insulation Feature: uninsulated
Mounting Method Style: straight one hole
Mounting Hole Diameter: 0.136 inches
Mounting Tongue Width: 0.234 inches
Mounting Facility Thickness: 0.041 inches
Basic Shape Style: crimp
Conductor Accommodation Type: straight barrel single end
Distance From Mounting Hole Center To Mounting End: 0.117 inches
Material: copper overall
Surface Treatment: tin overall single layer
Nondefinitive Spec/Std Data: l-57 shape and 2-1/2 to 4 size and wt type

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
B457	Lug Terminal
L57,21/2-4WT	Lug Terminal
MS21003-12	Lug Terminal
YAV14L57	Lug Terminal

FAQs

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

What is the FSCG of the NSN 5940-00-230-0551?

The FSCG of the NSN 5940-00-230-0551 is 5940

Does the NSN 5940-00-230-0551 have a Schedule B code assigned?

Yes, the Schedule B code is 8536904000

Does NSN 5940-00-230-0551 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 5940-00-230-0551 contain precious materials?

Item does not contain precious metal.

Does NSN 5940-00-230-0551 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 5940-00-230-0551 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963