The Piston,internal Combustion Engin, cataloged under National Stock Number 2805-00-574-8939, 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 27 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-574-8939 |
| Primary Part Number | 1011P+20 |
| 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 |
| Carbon Groove | NOT INCLUDED |
| Ring Groove Width | 0.0940 INCHES NOMINAL FIRST RING IN |
| Ring Groove Width | 0.0940 INCHES NOMINAL SECOND RING IN |
| Ring Groove Width | 0.1860 INCHES NOMINAL THIRD RING IN |
| Distance Between Pin Bosses | 1.437 INCHES NOMINAL IN |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Oil Passage Type | SLOT LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 3.645 INCHES NOMINAL IN |
| Ring Groove Diameter | 3.196 INCHES NOMINAL FIRST RING IN |
| Ring Groove Diameter | 3.196 INCHES NOMINAL SECOND RING IN |
| Ring Groove Diameter | 3.215 INCHES NOMINAL THIRD RING IN |
| Distance From Pin Hole Center to Extreme Top | 1.875 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 3 |
| Oversize | 0.020 INCHES NOMINAL IN |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Finished Size Designation | OVERSIZE |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.8750 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| Cut Depth | 0.312 INCHES NOMINAL 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 |
|---|---|
| 1011P+20 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| L2035F-20 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| A1117P020 | 5/9 Secondary reference U.S. Government activity |
| TC115-020 | 3/2 Design control — primary reference U.S. Government activity |
| L1014F020 | 3/2 Design control — primary reference U.S. Government activity |
| 1768P020 | 5/9 Secondary reference Spx Corp |
| C3AZ6108B | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 1768P020 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
| C3AZ6108B | 5/9 Secondary reference Ford Motor Company |
| P136-020 | 3/2 Design control — primary reference U.S. Government activity |
| 901P020 | 5/9 Secondary reference Dana Corp Engine Products Div |
| 278P020 | 5/9 Secondary reference Nylen Products Inc |
| P820AX020 | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 278P020 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2805-00-574-8939 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 2805-00-574-8939 has 2 manufacturer part numbers on file: 1011P+20 (Federal-Mogul Corp Government Sales Dept), L2035F-20 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for 1011P+20: Overall Height: 3.450 INCHES NOMINAL IN; Carbon Groove: NOT INCLUDED; Ring Groove Width: 0.0940 INCHES NOMINAL FIRST RING IN; Ring Groove Width: 0.0940 INCHES NOMINAL SECOND RING IN. 27 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.