The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-422-5979, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-422-5979 |
| Primary Part Number | A26070 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| FSC Application Data | ENGINE,GASOLINE,NONAIRCRAFT |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.1562 INCHES MINIMUM FIRST RING IN |
| Ring Groove Width | 0.1562 INCHES MINIMUM THIRD RING IN |
| Ring Groove Width | 0.1572 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Width | 0.1572 INCHES MAXIMUM SECOND RING IN |
| Distance Between Pin Bosses | 1.281 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Supplementary Features | OIL PASSAGE HOLE |
| Diameter | 4.625 INCHES NOMINAL IN |
| Ring Groove Diameter | 4.197 INCHES MINIMUM AND 4.205 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Diameter | 4.197 INCHES MINIMUM AND 4.205 INCHES MAXIMUM SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.938 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | LOCKING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 4 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 1.4855 INCHES MINIMUM AND 1.4860 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | IRON CAST |
| Skirt Type | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4836A | Cnh Industrial America Llc Dba Cnh America (USA) |
| A26070 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| Reference | Meaning |
|---|---|
| 359 | 5/9 Secondary reference U.S. Government activity |
| A4836A | 5/9 Secondary reference Cnh Industrial America Llc Dba Cnh America |
NSN 2805-00-422-5979 is a Piston,internal Combustion Engin, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-422-5979 has 2 manufacturer part numbers on file: 4836A (Cnh Industrial America Llc Dba Cnh America), A26070 (Cnh Industrial America Llc Dba Cnh America).
2 possible matches (shared part number, not a government interchangeability claim): 5307-00-638-9562, 6545-01-674-8690. Verify interchangeability with system specifications before substitution.
Key specifications for A26070: Overall Height: 5.750 INCHES NOMINAL IN; FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.1562 INCHES MINIMUM FIRST RING IN. 26 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.