20521-2HC

View detailed technical data, stock status, and sourcing information for: 20521-2HC
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-00-441-4688

Item Name Code

02380

Assigment Date

01/01/1963 (63 years ago)

nonstandard size key size designation, 36.0 rockwell c minimum and 46.0 rockwell c maximum overall hardness rating, 0.490 inches minimum and 0.500 inches maximum circle diameter, 0.167 inches minimum and 0.172 inches maximum key height, 0.125 inches minimum and 0.126 inches maximum thickness

Product Characteristics

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

Circle Diameter: 0.490 inches minimum and 0.500 inches maximum
Thickness: 0.125 inches minimum and 0.126 inches maximum
Key Size Designation: nonstandard size
Key Height: 0.167 inches minimum and 0.172 inches maximum
Hardness Rating: 36.0 rockwell c minimum and 46.0 rockwell c maximum overall
Starting Edge Shape: straight
Material: steel overall
Style Designator: round bottom

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2925-00-651-2668	No Name Available	01/01/1963
5315-00-733-8619	No Name Available	10/01/1975

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
20521-2	Woodruff Key
20521-2HC	Woodruff Key
7338619	Woodruff Key

FAQs

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

What is the FSCG of the NSN 5315-00-441-4688?

The FSCG of the NSN 5315-00-441-4688 is 5315

Does NSN 5315-00-441-4688 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 5315-00-441-4688 contain precious materials?

Precious metal content is unknown

Does NSN 5315-00-441-4688 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 5315-00-441-4688 was assigned to the Federal Catalog?

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