The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-354-6309, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-354-6309 |
| Primary Part Number | A8-285 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Diameter | 5.500 INCHES NOMINAL IN |
| Head Style | FLAT |
| Retaining Ring Groove | INCLUDED |
| Ring Groove Width | 0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM FIRST RING IN |
| Oil Groove | INCLUDED |
| Carbon Groove | NOT INCLUDED |
| Oil Passage Type | HOLE LOCATION NOT OTHERWISE SPECIFIED |
| Distance Between Pin Bosses | 2.125 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Ring Groove Diameter | 5.017 INCHES MINIMUM AND 5.027 INCHES MAXIMUM SECOND RING IN |
| Pinhole Diameter | 1.4960 INCHES MINIMUM AND 1.4970 INCHES MAXIMUM IN |
| Ring Groove Width | 0.2505 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM THIRD RING IN |
| Skirt Type | SOLID |
| Ring | NOT INCLUDED |
| Material | ALUMINUM |
| FSC Application Data | CONNECTING ROD GROUP,GASOLINE DRIVEN TRUCK MTD AIR COMPRESSOR |
| Pin Hole Bushing | NOT INCLUDED |
| Ring Groove Width | 0.1255 INCHES MINIMUM AND 0.1265 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Diameter | 5.017 INCHES MINIMUM AND 5.027 INCHES MAXIMUM FIRST RING IN |
| Pin Type for Which Designed | FLOATING |
| Surface Finish | SEMIFINISHED |
| Ring Groove Diameter | 4.977 INCHES MINIMUM AND 4.987 INCHES MAXIMUM THIRD RING IN |
| Ring Groove Quantity | 4 |
| Distance From Pin Hole Center to Extreme Top | 3.067 INCHES MINIMUM AND 3.072 INCHES MAXIMUM IN |
| Pin | INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A8-285 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
NSN 2805-00-354-6309 is a Piston,internal Combustion Engin, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-354-6309 has 1 cross-referenced part number: A8-285 (Dresser Industries Inc Leroi Div).
There are 3 known substitutes for 2805-00-354-6309: 4510-00-138-2130, 5950-00-147-7525, 5915-01-549-1506. Verify interchangeability with system specifications before substitution.
Key specifications for A8-285: Diameter: 5.500 INCHES NOMINAL IN; Head Style: FLAT; Retaining Ring Groove: INCLUDED; Ring Groove Width: 0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM FIRST RING IN. 27 total characteristics are documented in the Federal Logistics Information System.