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2815-00-582-3921

Find complete technical information, availability, and procurement data for: 2815-00-582-3921

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2815-00-582-3921
Federal Supply Group
Engines, Turbines, and Components
Federal Supply Classification
2815 Diesel Engines and Components
National Stock Number
2815-00-582-3921
Item Name Code
16509
Assigment Date
12/19/1974 (51 years ago)

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

4.554 inches nominal overall height, flat head style, hole oil passage type, 3.500 inches nominal diameter, 1.2500 inches nominal pinhole 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
4.554 inches nominal
Diameter
3.500 inches nominal
Oil Passage Type
hole
Pinhole Diameter
1.2500 inches nominal
Surface Finish
finished
Finished Size Designation
standard
Skirt Type
solid
Cut Depth
0.534 inches nominal
Skirt Bottom Cutaway Feature
included
Ring Groove Quantity
5
Ring Groove Width
0.1875 inches nominal 4th ring
Ring Groove Width
0.1875 inches nominal 5th ring
Ring Groove Width
0.0940 inches nominal 1st ring
Ring Groove Width
0.0940 inches nominal 2nd ring
Ring Groove Width
0.0940 inches nominal 3rd ring
Ring Groove Diameter
3.138 inches nominal 4th ring
Ring Groove Diameter
3.138 inches nominal 5th ring
Ring Groove Diameter
3.177 inches nominal 1st ring
Ring Groove Diameter
3.177 inches nominal 2nd ring
Ring Groove Diameter
3.177 inches nominal 3rd ring
Ring Groove Position Below Piston Pin
number 1,number 2,number 3,and number 4,number 5 all rings
Oil Groove
not included
Distance From Pin Hole Center To Extreme Top
2.375 inches nominal
Pin Hole Bushing
not included
Distance Between Pin Bosses
1.437 inches nominal
Retaining Ring Groove
included
Pin
included
Pin Type For Which Designed
floating
Ring
included
Carbon Groove
not included
Material
aluminum alloy
Weight
30.0 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
89213 Internal Combustion Engin Piston

FAQs

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

What is the FSCG of the NSN 2815-00-582-3921?
The FSCG of the NSN 2815-00-582-3921 is 2815
Does the NSN 2815-00-582-3921 have a Schedule B code assigned?
Yes, the Schedule B code is 8409998000
Does NSN 2815-00-582-3921 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 2815-00-582-3921 contain precious materials?
Precious metal content is unknown
Does NSN 2815-00-582-3921 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 2815-00-582-3921 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Thu, Dec 19, 1974

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