4L7820

View detailed technical data, stock status, and sourcing information for: 4L7820
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-885-9022

Item Name Code

22102

Assigment Date

11/22/1967 (58 years ago)

A switch actuated by a definite angular rotation of the switch shaft about its axis. It consists of a body,switch and a control,rotary switch. For items having rated actuation travel and pressure characteristics, see switch,sensitive. Excludes relay,rotary; switch,stepping; and switch,telephone (as modified).

0.625 inches nominal first end undercut diameter, 15.0 second end chamfer angle in deg, 19.750 inches nominal overall length, 0.312 inches nominal second end chamfer length, 0.156 inches nominal first end undercut width

Product Characteristics

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

Chamfer Angle In Deg: 15.0 second end
Chamfer Length: 0.312 inches nominal second end
Overall Length: 19.750 inches nominal
Undercut Diameter: 0.625 inches nominal first end
Undercut Width: 0.156 inches nominal first end
Body Outside Diameter: 0.625 inches nominal
Body Type: tubular
End Length: 0.375 inches nominal second end
End Length: 0.410 inches nominal first end
End Largest Diameter: 0.475 inches nominal first end
End Largest Diameter: 0.805 inches nominal second end
End Casehardening Indicator: casehardened
Flat Diameter: 0.125 inches nominal first end
End Spherical Radius: 0.237 inches nominal first end
End Spherical Radius: 0.310 inches nominal second end
Spherical Radius Depth: 0.250 inches nominal second end
Material: steel
Style Designator: ball, undercut, optional flat first end
Style Designator: cup w/shoulder and chamfer second end

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
4127820	Engine Poppet Valve Push Rod
4L7820	Engine Poppet Valve Push Rod

FAQs

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

What is the FSCG of the NSN 2815-00-885-9022?

The FSCG of the NSN 2815-00-885-9022 is 2815

Does the NSN 2815-00-885-9022 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-885-9022 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 2815-00-885-9022 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-885-9022 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 2815-00-885-9022 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Nov 22, 1967