751743

View detailed technical data, stock status, and sourcing information for: 751743
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-01-351-1954

Item Name Code

02378

Assigment Date

01/02/1992 (34 years ago)

A metallic item, usually square or rectangular in cross section, usually longer in relation to its width and thickness, with or without a head, usually designed to fit into the pre-cut slots of two adjacent cylindrically shaped members, to prevent relative rotational movement between the two. It may have mounting holes or slots.

0.4995 inches minimum and 0.5005 inches maximum mounting hole depth, 0.740 inches nominal overall length, 0.4995 inches minimum and 0.5005 inches maximum overall height, 0.255 inches minimum and 0.275 inches maximum mounting hole diameter, 0.3985 inches minimum and 0.4000 inches maximum overall width

Product Characteristics

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

Overall Length: 0.740 inches nominal
Overall Height: 0.4995 inches minimum and 0.5005 inches maximum
Overall Width: 0.3985 inches minimum and 0.4000 inches maximum
Mounting Hole Diameter: 0.255 inches minimum and 0.275 inches maximum
Mounting Hole Depth: 0.4995 inches minimum and 0.5005 inches maximum
Key Chamfer Length: 0.045 inches minimum and 0.055 inches maximum
Hardness Rating: 30.0 rockwell c minimum and 38.0 rockwell c maximum overall
Distance From Mounting Hole Center To End: 0.370 inches nominal
Starting Edge Shape: chamfered
Key Chamfer Angle: 45.0 degrees nominal
Mounting Hole Type And Quantity: 1 plain
Material: steel comp 631 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 fed spec single treatment response overall
Style Designator: plain

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
751743	Machine Key

FAQs

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

What is the FSCG of the NSN 5315-01-351-1954?

The FSCG of the NSN 5315-01-351-1954 is 5315

Does NSN 5315-01-351-1954 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 5315-01-351-1954 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-01-351-1954 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 5315-01-351-1954 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Thu, Jan 2, 1992