4002T66P12

View detailed technical data, stock status, and sourcing information for: 4002T66P12
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-006-3916

Item Name Code

01869

Assigment Date

07/17/1975 (51 years ago)

0.180 inches minimum and 0.210 inches maximum internal prebent key length, 0.762 inches minimum and 0.782 inches maximum outside diameter, 0.090 inches minimum and 0.110 inches maximum external prebent key width, 0.615 inches minimum and 0.635 inches maximum hole diameter, 0.090 inches minimum and 0.110 inches maximum internal prebent key width

Product Characteristics

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

Hole Diameter: 0.615 inches minimum and 0.635 inches maximum
Outside Diameter: 0.762 inches minimum and 0.782 inches maximum
Internal Prebent Key Length: 0.180 inches minimum and 0.210 inches maximum
External Prebent Key Width: 0.090 inches minimum and 0.110 inches maximum
Internal Prebent Key Width: 0.090 inches minimum and 0.110 inches maximum
Overall Distance Including Keys: 0.950 inches minimum and 0.970 inches maximum
External Key Quantity: 4
Material Thickness: 0.023 inches minimum and 0.029 inches maximum
Hardness Rating: 32.0 rockwell c minimum and 36.0 rockwell c maximum
Angle Between First And Second Key: 80.0 degrees nominal
Angle Between Second And Third Key: 120.0 degrees nominal
Surface Finish: 63.0 microinches all surfaces
Special Features: washer bent to an overall height of 0.053 in. min 0.079 in. max
Heat Treatment: quenched and tempered
Material: steel comp 4130 overall
Material Document And Classification: ams 6350 assn std single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: +16-te5,class 1,99207 mfr ref single treatment response overall

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
4002T66P12	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-006-3916?

The FSCG of the NSN 5310-01-006-3916 is 5310

Does the NSN 5310-01-006-3916 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-006-3916 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 5310-01-006-3916 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-006-3916 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 5310-01-006-3916 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Thu, Jul 17, 1975