250534R2

View detailed technical data, stock status, and sourcing information for: 250534R2
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-219-9043

Item Name Code

15884

Assigment Date

01/01/1963 (63 years ago)

flat head style, 0.0312 inches nominal chamfer length, 0.1970 inches minimum and 0.2070 inches maximum head height, 0.4220 inches minimum and 0.4280 inches maximum groove diameter, 30.0 chamfer angle in deg

Product Characteristics

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

Head Style: flat
Head Height: 0.1970 inches minimum and 0.2070 inches maximum
Chamfer Angle In Deg: 30.0
Groove Diameter: 0.4220 inches minimum and 0.4280 inches maximum
Chamfer Length: 0.0312 inches nominal
Groove Width: 0.1320 inches minimum and 0.1420 inches maximum
Outside Diameter: 2.5270 inches minimum and 2.5370 inches maximum
Seat Angle In Deg: 45.0
Stem Style: grooved
Carbon Relief Groove: not included
Neck Radius: 0.8125 inches nominal
Stem Length: 8.5445 inches nominal
Stem Diameter: 0.4955 inches nominal
Distance From Groove To Stem End: 0.3125 inches nominal
Metallic Hardness Rating And Location: 43.0 rockwell c nominal tip

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2805-00-546-0141	No Name Available	02/02/1970

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
250534R1	Engine Poppet Valve
250534R2	Engine Poppet Valve
250534R4	Engine Poppet Valve
V1961	Engine Poppet Valve
V1961X	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-219-9043?

The FSCG of the NSN 2815-00-219-9043 is 2815

Does the NSN 2815-00-219-9043 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-219-9043 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 2815-00-219-9043 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-219-9043 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 2815-00-219-9043 was assigned to the Federal Catalog?

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