2815-00-090-5633

Find complete technical information, availability, and procurement data for: 2815-00-090-5633
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Federal Supply Group

Engines, Turbines, and Components

Federal Supply Classification

2815 Diesel Engines and Components

National Stock Number

2815-00-090-5633

Item Name Code

16509

Assigment Date

01/01/1961 (65 years ago)

hole oil passage type, flat head style, 4.250 inches nominal diameter, 1.5000 inches nominal pinhole diameter, 4.845 inches nominal overall 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
Overall Height: 4.845 inches nominal
Diameter: 4.250 inches nominal
Oil Passage Type: hole
Pinhole Diameter: 1.5000 inches nominal
Surface Finish: finished
Finished Size Designation: standard
Skirt Type: solid
Skirt Bottom Cutaway Feature: not included
Ring Groove Quantity: 5
Ring Groove Width: 0.1880 inches nominal 4th ring
Ring Groove Width: 0.1880 inches nominal 5th ring
Ring Groove Width: 0.0770 inches minimum and 0.1240 inches minimum 1st ring
Ring Groove Width: 0.1250 inches nominal 2nd ring
Ring Groove Width: 0.1250 inches nominal 3rd ring
Groove Taper Angle: 7 degree 30 minutes
Ring Groove Diameter: 3.810 inches nominal 4th ring
Ring Groove Diameter: 3.810 inches nominal 5th ring
Ring Groove Diameter: 3.776 inches nominal 1st ring
Ring Groove Diameter: 3.833 inches nominal 2nd ring
Ring Groove Diameter: 3.833 inches nominal 3rd ring
Ring Groove Position Below Piston Pin: number 1,and number 2,number 3,and number 4,number 5 all rings
Oil Groove: included
Distance From Pin Hole Center To Extreme Top: 3.030 inches nominal
Pin Hole Bushing: not included
Distance Between Pin Bosses: 1.485 inches nominal
Retaining Ring Groove: included
Pin: included
Pin Type For Which Designed: floating
Ring: not included
Carbon Groove: included
Material: aluminum alloy
Weight: 66.0 ounces

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2815-00-390-2731	No Name Available	09/13/1968

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
280115AS	Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-090-5633?

The FSCG of the NSN 2815-00-090-5633 is 2815

Does the NSN 2815-00-090-5633 have a Schedule B code assigned?

Yes, the Schedule B code is 8409998000

Does NSN 2815-00-090-5633 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 2815-00-090-5633 contain precious materials?

Precious metal content is unknown

Does NSN 2815-00-090-5633 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 2815-00-090-5633 was assigned to the Federal Catalog?

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