5310-00-209-4125

Find complete technical information, availability, and procurement data for: 5310-00-209-4125
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-209-4125

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

6 external key quantity, 0.557 inches minimum and 0.567 inches maximum overall distance including keys, 0.104 inches minimum and 0.114 inches maximum external straight key width, 0.191 inches minimum and 0.196 inches maximum hole diameter, 0.370 inches minimum and 0.380 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 0.191 inches minimum and 0.196 inches maximum
Outside Diameter: 0.370 inches minimum and 0.380 inches maximum
External Straight Key Width: 0.104 inches minimum and 0.114 inches maximum
Overall Distance Including Keys: 0.557 inches minimum and 0.567 inches maximum
External Key Quantity: 6
Material Thickness: 0.026 inches minimum and 0.036 inches maximum
Hardness Rating: 30.0 rockwell b minimum and 50.0 rockwell b maximum
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: an-qq-p-421 fed spec single treatment response overall
Style Designator: key

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2915-00-613-5204	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
A78-121	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-209-4125?

The FSCG of the NSN 5310-00-209-4125 is 5310

Does the NSN 5310-00-209-4125 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-209-4125 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 5310-00-209-4125 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-209-4125 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 5310-00-209-4125 was assigned to the Federal Catalog?

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