4025893-1

View detailed technical data, stock status, and sourcing information for: 4025893-1

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4025893-1
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-930-9322
Item Name Code
16509
Assigment Date
07/18/1966 (60 years ago)

1.5000 inches nominal pinhole diameter, 5.830 inches nominal overall height, cavity head style, hole oil passage type, 4.240 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
cavity
Overall Height
5.830 inches nominal
Diameter
4.240 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
included
Ring Groove Quantity
4
Ring Groove Width
0.2530 inches nominal 4th ring
Ring Groove Width
0.1000 inches nominal 1st ring
Ring Groove Width
0.1300 inches nominal 2nd ring
Ring Groove Width
0.1300 inches nominal 3rd ring
Ring Groove Diameter
3.795 inches nominal
Oil Groove
not included
Distance From Pin Hole Center To Extreme Top
3.150 inches nominal
Pin Hole Bushing
not included
Distance Between Pin Bosses
1.625 inches nominal
Retaining Ring Groove
included
Pin
not included
Pin Type For Which Designed
floating
Ring
not included
Carbon Groove
not included
Material
aluminum
Weight
66.0 ounces

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
4025893 Internal Combustion Engin Piston
4025893-1 Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-930-9322?
The FSCG of the NSN 2815-00-930-9322 is 2815
Does the NSN 2815-00-930-9322 have a Schedule B code assigned?
Yes, the Schedule B code is 8409998000
Does NSN 2815-00-930-9322 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 2815-00-930-9322 contain precious materials?
Item does not contain precious metal.
Does NSN 2815-00-930-9322 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 2815-00-930-9322 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Mon, Jul 18, 1966

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