The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-732-4227, 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 Federal-Mogul Corp Government Sales Dept. 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-732-4227 |
| Primary Part Number | 1023P+40 |
| Item Name | Piston,internal Combustion Engin |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| FSC Application Data | GASOLINE ENGINE,CARRIER CARGO M29C |
| Carbon Groove | INCLUDED |
| Ring Groove Width | 0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Width | 0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM SECOND RING IN |
| Ring Groove Width | 0.1560 INCHES MINIMUM AND 0.1570 INCHES MAXIMUM THIRD RING IN |
| Distance Between Pin Bosses | 1.062 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Diameter | 3.000 INCHES NOMINAL IN |
| Ring Groove Diameter | 2.642 INCHES MINIMUM AND 2.652 INCHES MAXIMUM THIRD RING IN |
| Ring Groove Diameter | 2.652 INCHES MINIMUM AND 2.662 INCHES MAXIMUM FIRST RING IN |
| Ring Groove Diameter | 2.682 INCHES MINIMUM AND 2.692 INCHES MAXIMUM SECOND RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.591 INCHES MINIMUM AND 1.597 INCHES MAXIMUM IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Oversize | 0.040 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.7492 INCHES MINIMUM AND 0.7496 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SEMISPLIT |
| 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 |
|---|---|
| 1023P+40 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| 7324227 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 908977 | 3/9 Design control — primary reference Sasco Inc Canadian Div |
| TC16-040PF | 5/9 Secondary reference U.S. Government activity |
| P279ARX040 | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| L733F040 | 3/2 Design control — primary reference U.S. Government activity |
| 320O040 | 5/9 Secondary reference Nylen Products Inc |
| P465-040 | 3/2 Design control — primary reference U.S. Government activity |
| 1777P040 | 5/9 Secondary reference Spx Corp |
| 320P040 | 5/9 Secondary reference U.S. Government activity |
| 1777P040 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| TC16N040 | 3/2 Design control — primary reference U.S. Government activity |
| 735P040 | 5/9 Secondary reference Dana Corp Engine Products Div |
NSN 2805-00-732-4227 is a Piston,internal Combustion Engin, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-732-4227 has 2 manufacturer part numbers on file: 1023P+40 (Federal-Mogul Corp Government Sales Dept), 7324227 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 1023P+40: Overall Height: 2.906 INCHES NOMINAL IN; FSC Application Data: GASOLINE ENGINE,CARRIER CARGO M29C; Carbon Groove: INCLUDED; Ring Groove Width: 0.0960 INCHES MINIMUM AND 0.0970 INCHES MAXIMUM 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.