126117AS

View detailed technical data, stock status, and sourcing information for: 126117AS
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-541-9803

Item Name Code

16509

Assigment Date

01/01/1963 (63 years ago)

flat head style, finished surface finish, 4.033 inches nominal overall height, 1.1247 inches minimum and 1.1250 inches maximum pinhole diameter, 3.250 inches nominal diameter

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
Overall Height: 4.033 inches nominal
Diameter: 3.250 inches nominal
Pinhole Diameter: 1.1247 inches minimum and 1.1250 inches maximum
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 4
Ring Groove Width: 0.1880 inches minimum and 0.1890 inches maximum 4th ring
Ring Groove Width: 0.1250 inches nominal 1st ring
Ring Groove Width: 0.1270 inches minimum and 0.1280 inches maximum 2nd ring
Ring Groove Width: 0.1270 inches minimum and 0.1280 inches maximum 3rd ring
Groove Taper Angle: 15 deg
Ring Groove Diameter: 2.860 inches minimum and 2.870 inches maximum 4th ring
Ring Groove Diameter: 2.876 inches minimum and 2.886 inches maximum 1st ring
Ring Groove Diameter: 2.900 inches minimum and 2.910 inches maximum 2nd ring
Ring Groove Diameter: 2.900 inches minimum and 2.910 inches maximum 3rd ring
Ring Groove Position Below Piston Pin: no. 1,no. 2,no. 3 and no. 4 all rings
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 2.531 inches minimum and 2.533 inches maximum
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.250 inches nominal
Retaining Ring Groove: included
Pin: included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: not included
Material: aluminum
Surface Treatment: tin
Weight: 27.0 ounces
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Below is a list of NSNs that have been officially superseded by this NSN: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
2815-00-346-6202	No Name Available	04/23/1969
2815-00-554-9800	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
125116	Internal Combustion Engin Piston
126117AS	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-541-9803?

The FSCG of the NSN 2815-00-541-9803 is 2815

Does the NSN 2815-00-541-9803 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-541-9803 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 2815-00-541-9803 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-541-9803 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 2815-00-541-9803 was assigned to the Federal Catalog?

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