The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-803-5573, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2815-00-803-5573 |
| Primary Part Number | 42583 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Napco International Llc Dba Napco International Inc |
| Status | CANCELLED |
| Head Style | FLAT |
| Surface Finish | FINISHED |
| Pinhole Diameter | 1.7450 INCHES NOMINAL IN |
| Surface Treatment | OXIDE |
| Ring Groove Position and Quantity | NUMBERS 1,2,@3,4,5 AND 6 PISTON ALL RINGS |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Retaining Ring Groove | NOT INCLUDED |
| Distance From Pin Hole Center to Extreme Top | 4.162 INCHES NOMINAL IN |
| Pin Type for Which Designed | LOCKING |
| Ring | INCLUDED |
| Oil Groove | NOT INCLUDED |
| Skirt Type | SOLID |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1300 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance Between Pin Bosses | 1.875 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Ring Groove Quantity | 6 |
| Finished Size Designation | STANDARD |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Ring Groove Diameter | 4.098 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | STEEL CORROSION RESISTING |
| Diameter | 4.492 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2815-00-803-5573 is a Piston,internal Combustion Engin, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 2815 (No Item Name Available). Status: cancelled.
NSN 2815-00-803-5573 has 2 cross-referenced part numbers: 42583 (Napco International Llc Dba Napco International Inc), 42807 (Napco International Llc Dba Napco International Inc).
There are 12 known substitutes for 2815-00-803-5573: 4820-00-409-7610, 5970-00-550-6498, 5950-00-838-2240 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 42583: Head Style: FLAT; Surface Finish: FINISHED; Pinhole Diameter: 1.7450 INCHES NOMINAL IN; Surface Treatment: OXIDE. 27 total characteristics are documented in the Federal Logistics Information System.
NSN 2815-00-803-5573 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.