292109AS

View detailed technical data, stock status, and sourcing information for: 292109AS
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-248-3787

Item Name Code

16509

Assigment Date

11/07/1969 (56 years ago)

1.2500 inches nominal pinhole diameter, dome head style, 4.855 inches nominal overall height, hole oil passage type, 4.000 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: dome
Overall Height: 4.855 inches nominal
Diameter: 4.000 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 1.2500 inches nominal
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Cut Depth: 0.400 inches nominal
Skirt Bottom Cutaway Feature: included
Ring Groove Quantity: 3
Ring Groove Width: 0.1920 inches nominal 3rd ring
Ring Groove Width: 0.1000 inches nominal 2nd ring
Ring Groove Width: 0.1050 inches nominal 1st ring
Ring Groove Diameter: 3.563 inches nominal 1st ring
Ring Groove Diameter: 3.563 inches nominal 2nd ring
Ring Groove Diameter: 3.563 inches nominal 3rd ring
Oil Groove: not included
Distance From Pin Hole Center To Extreme Top: 2.890 inches nominal
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.682 inches nominal
Retaining Ring Groove: included
Pin: included
Pin Type For Which Designed: floating
Ring: included
Carbon Groove: not included
Material: steel corrosion resisting
Weight: 122.0 ounces

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-401-3541	No Name Available	07/09/1971

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
292109	Internal Combustion Engin Piston
292109AS	Internal Combustion Engin Piston
7320455	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-248-3787?

The FSCG of the NSN 2815-00-248-3787 is 2815

Does the NSN 2815-00-248-3787 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-248-3787 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 2815-00-248-3787 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-248-3787 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 2815-00-248-3787 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Nov 7, 1969