GK12A1

View detailed technical data, stock status, and sourcing information for: GK12A1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-00-064-0042

Item Name Code

02378

Assigment Date

06/22/1967 (59 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.

0.212 inches nominal overall height, 0.627 inches nominal overall length, 0.045 inches minimum and 0.055 inches maximum flat height, 0.237 inches minimum and 0.247 inches maximum overall width, 0.406 inches nominal first flat 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: 0.627 inches nominal
Overall Height: 0.212 inches nominal
Overall Width: 0.237 inches minimum and 0.247 inches maximum
First Flat Length: 0.406 inches nominal
Flat Height: 0.045 inches minimum and 0.055 inches maximum
Mounting Hole Diameter: 0.045 inches minimum and 0.050 inches maximum
Mounting Hole Depth: 0.237 inches minimum and 0.247 inches maximum
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum overall
Distance From Mounting Hole Center To End: 0.065 inches nominal
Starting Edge Shape: straight
Mounting Hole Type And Quantity: 1 plain
Material: steel comp 416 overall
Material Document And Classification: astm a582 assn std single material response overall
Style Designator: stepped

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
GK12A1	Machine Key

FAQs

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

What is the FSCG of the NSN 5315-00-064-0042?

The FSCG of the NSN 5315-00-064-0042 is 5315

Does the NSN 5315-00-064-0042 have a Schedule B code assigned?

Yes, the Schedule B code is 8301700000

Does NSN 5315-00-064-0042 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 5315-00-064-0042 contain precious materials?

Precious metal content is unknown

Does NSN 5315-00-064-0042 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 5315-00-064-0042 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Jun 22, 1967