S1960N

View detailed technical data, stock status, and sourcing information for: S1960N
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-517-9923

Item Name Code

15884

Assigment Date

01/01/1961 (65 years ago)

mushroom head style, 0.2400 inches minimum and 0.2500 inches maximum head height, 45.0 chamfer angle in deg, 0.4220 inches minimum and 0.4280 inches maximum groove diameter, 0.0200 inches nominal chamfer length

Product Characteristics

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

Head Style: mushroom
Head Height: 0.2400 inches minimum and 0.2500 inches maximum
Chamfer Angle In Deg: 45.0
Groove Diameter: 0.4220 inches minimum and 0.4280 inches maximum
Chamfer Length: 0.0200 inches nominal
Groove Width: 0.1320 inches minimum and 0.1420 inches maximum
Outside Diameter: 2.0900 inches minimum and 2.1000 inches maximum
Seat Angle In Deg: 45.0
Stem Style: grooved
Carbon Relief Groove: included
Neck Radius: 0.8125 inches nominal
Stem Length: 8.5370 inches minimum and 8.5520 inches maximum
Stem Diameter: 0.4940 inches minimum and 0.4950 inches maximum
Distance From Groove To Stem End: 0.3100 inches minimum and 0.3150 inches maximum
Metallic Hardness Rating And Location: 27.0 rockwell c minimum stem
Metallic Hardness Rating And Location: 27.0 rockwell c minimum head
Metallic Hardness Rating And Location: 50.0 rockwell c minimum tip
Fsc Application Data: diesel engine

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-355-3217	No Name Available	03/22/1968
2805-00-546-0140	No Name Available	01/01/1963
2815-00-622-8875	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
250533R2	Engine Poppet Valve
250533R4	Engine Poppet Valve
250533R5	Engine Poppet Valve
S1960	Engine Poppet Valve
S1960N	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-517-9923?

The FSCG of the NSN 2815-00-517-9923 is 2815

Does the NSN 2815-00-517-9923 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-517-9923 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 2815-00-517-9923 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-517-9923 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 2815-00-517-9923 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961