8416850

View detailed technical data, stock status, and sourcing information for: 8416850

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8416850
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-843-9000
Item Name Code
16509
Assigment Date
09/20/1967 (58 years ago)

8.500 inches nominal diameter, dish head style, hole 1st ring oil passage type, 12.000 inches nominal overall height, semifinished surface finish

Product Characteristics

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

Head Style
dish
Overall Height
12.000 inches nominal
Diameter
8.500 inches nominal
Oil Passage Type
hole 1st ring
Surface Finish
semifinished
Finished Size Designation
standard
Skirt Type
solid
Skirt Bottom Cutaway Feature
not included
Ring Groove Quantity
5
Ring Groove Width
0.2500 inches nominal 1st ring
Ring Groove Diameter
7.875 inches nominal 1st ring
Oil Groove
included
Pin Hole Bushing
not included
Retaining Ring Groove
not included
Pin
not included
Pin Type For Which Designed
locking
Ring
included
Carbon Groove
not included
Special Features
no piston pin hole;designed for carrier insert with floating bushing typerod
Material
steel
Weight
544.0 ounces

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2815-00-856-4938 No Name Available 03/20/1968

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
8319742 Internal Combustion Engin Piston
8416850 Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-843-9000?
The FSCG of the NSN 2815-00-843-9000 is 2815
Does the NSN 2815-00-843-9000 have a Schedule B code assigned?
Yes, the Schedule B code is 8409998000
Does NSN 2815-00-843-9000 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 2815-00-843-9000 contain precious materials?
Precious metal content is unknown
Does NSN 2815-00-843-9000 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 2815-00-843-9000 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Sep 20, 1967

Professional Distribution

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