255010B

View detailed technical data, stock status, and sourcing information for: 255010B

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255010B
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-649-8439
Item Name Code
15884
Assigment Date
01/01/1961 (65 years ago)

0.0312 inches nominal chamfer length, flat head style, 0.3290 inches minimum and 0.3590 inches maximum groove diameter, 45.0 chamfer angle in deg, 0.1970 inches minimum and 0.2070 inches maximum head height

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
45.0
Groove Diameter
0.3290 inches minimum and 0.3590 inches maximum
Chamfer Length
0.0312 inches nominal
Groove Width
0.0950 inches minimum and 0.1050 inches maximum
Outside Diameter
1.6825 inches minimum and 1.6925 inches maximum
Seat Angle In Deg
45.0
Stem Style
grooved
Carbon Relief Groove
not included
Neck Radius
0.5625 inches nominal
Stem Length
5.1300 inches minimum and 5.1610 inches maximum
Stem Diameter
0.3725 inches minimum and 0.3735 inches maximum
Distance From Groove To Stem End
0.1750 inches minimum and 0.2000 inches maximum
Metallic Hardness Rating And Location
60.0 shore scleroscope minimum tip
Fsc Application Data
diesel engine

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
255010B Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2815-00-649-8439?
The FSCG of the NSN 2815-00-649-8439 is 2815
Does the NSN 2815-00-649-8439 have a Schedule B code assigned?
Yes, the Schedule B code is 8409998000
Does NSN 2815-00-649-8439 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 2815-00-649-8439 contain precious materials?
Precious metal content is unknown
Does NSN 2815-00-649-8439 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 2815-00-649-8439 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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