The Piston,internal Combustion Engin, cataloged under National Stock Number 2815-00-307-8821, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-307-8821 |
| Primary Part Number | 181404 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Head Style | CONTOUR |
| Groove Taper Angle | 15 DEG MIN,15 DEG 15 MINUTES MAX |
| Material | IRON CAST |
| Ring Groove Diameter | 2.925 INCHES MINIMUM AND 2.935 INCHES MAXIMUM SECOND RING IN |
| Unable to Decode | UNABLE TO DECODE |
| Skirt Type | SEMISPLIT |
| Carbon Groove | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Oil Groove | INCLUDED |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Pin | NOT INCLUDED |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Pin Type for Which Designed | LOCKING |
| Ring Groove Width | 0.1240 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 2.965 INCHES MINIMUM AND 2.975 INCHES MAXIMUM FIRST RING IN |
| Oil Passage Type | HOLE SECOND RING |
| Ring | INCLUDED |
| Distance From Pin Hole Center to Extreme Top | 2.311 INCHES MINIMUM AND 2.313 INCHES MAXIMUM IN |
| Ring Groove Quantity | 5 |
| Diameter | 3.310 INCHES MINIMUM AND 3.311 INCHES MAXIMUM IN |
| Ring Groove Width | 0.2510 INCHES NOMINAL SECOND RING IN |
| Oil Passage Type | HOLE THIRD RING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2815-00-307-8821 is a Piston,internal Combustion Engin, manufactured by Dresser, Llc, classified under FSC 2815 (No Item Name Available). Status: active.
NSN 2815-00-307-8821 has 3 cross-referenced part numbers: 835-57 (Aqua-Chem Inc Cleaver-Brooks Div), 835-57 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 181404 (Dresser, Llc).
There is 1 known substitute for 2815-00-307-8821: 5120-01-335-8542. Verify interchangeability with system specifications before substitution.
Key specifications for 181404: Head Style: CONTOUR; Overall Height: 4.188 INCHES NOMINAL IN; Groove Taper Angle: 15 DEG MIN,15 DEG 15 MINUTES MAX; Material: IRON CAST. 26 total characteristics are documented in the Federal Logistics Information System.