The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-350-5040, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-350-5040 |
| Primary Part Number | C124332 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0950 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Width | 0.0950 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Width | 0.0950 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM THIRD RING IN |
| Ring Groove Width | 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM FIFTH RING IN |
| Ring Groove Width | 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM FOURTH RING IN |
| Distance Between Pin Bosses | 1.940 INCHES NOMINAL IN |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Diameter | 5.400 INCHES NOMINAL IN |
| Ring Groove Diameter | 4.827 INCHES MINIMUM AND 4.833 INCHES MAXIMUM FIFTH RING IN |
| Ring Groove Diameter | 4.827 INCHES MINIMUM AND 4.833 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Diameter | 4.827 INCHES MINIMUM AND 4.833 INCHES MAXIMUM FOURTH RING IN |
| Ring Groove Diameter | 4.827 INCHES MINIMUM AND 4.833 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Diameter | 4.827 INCHES MINIMUM AND 4.833 INCHES MAXIMUM THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 2.715 INCHES MINIMUM AND 2.725 INCHES MAXIMUM IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Ring | NOT INCLUDED |
| Surface Treatment | TIN |
| Pinhole Diameter | 1.3739 INCHES MINIMUM AND 1.3747 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SOLID |
| Cut Depth | 0.675 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN |
| 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 |
|---|---|
| C124332 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| GAA6110C | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| GAA6110C | 5/9 Secondary reference Ford Motor Company |
NSN 2805-00-350-5040 is a Piston,internal Combustion Engin, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-350-5040 has 1 manufacturer part number on file: C124332 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for C124332: Overall Height: 4.935 INCHES MINIMUM AND 4.955 INCHES MAXIMUM IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0950 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM SECOND RING IN; Ring Groove Width: 0.0950 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM FIRST RING IN. 28 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.