The Push Rod,engine Poppet Valve, cataloged under National Stock Number 2805-00-374-9399, 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 Stanadyne/chicago Div. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2805-00-374-9399 |
| Primary Part Number | I18-1872 |
| Item Name | Push Rod,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Stanadyne/chicago Div |
| Status | ACTIVE |
| FSC Application Data | GASOLINE ENGINE,NONAIRCRAFT |
| End Length | 0.344 INCHES NOMINAL SECOND END IN |
| End Length | 0.3085 INCHES MINIMUM AND 0.3165 INCHES MAXIMUM FIRST END IN |
| Undercut Width | 0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM FIRST END IN |
| Undercut Diameter | 0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM FIRST END IN |
| Chamfer Length | 0.281 INCHES NOMINAL SECOND END IN |
| Flat Diameter | 0.150 INCHES NOMINAL FIRST END IN |
| Body Outside Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | CUP W/SHOULDER AND CHAMFER SECOND END |
| Style Designator | SPHERICAL, UNDERCUT OPTIONAL FLAT FIRST END |
| End Largest Diameter | 0.500 INCHES NOMINAL SECOND END IN |
| End Largest Diameter | 0.382 INCHES MINIMUM AND 0.386 INCHES MAXIMUM FIRST END IN |
| End Casehardening Indicator | CASEHARDENED |
| End Spherical Radius | 0.1865 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM SECOND END IN |
| End Spherical Radius | 0.191 INCHES MINIMUM AND 0.193 INCHES MAXIMUM FIRST END IN |
| Chamfer Angle in Deg | 77.5 SECOND END |
| Spherical Radius Depth | 0.209 INCHES NOMINAL SECOND END IN |
| End Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM |
| Body Type | TUBULAR |
| Material | STEEL |
| Shoulder Length | 0.063 INCHES NOMINAL SECOND END 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 |
|---|---|
| I18-1872 PRIMARY | Stanadyne/chicago Div (USA) |
| Reference | Meaning |
|---|---|
| 69733R11 | 5/2 Secondary reference U.S. Government activity |
| 69733R11 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 2805-00-374-9399 is a Push Rod,engine Poppet Valve, manufactured by Stanadyne/chicago Div, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-374-9399 has 1 manufacturer part number on file: I18-1872 (Stanadyne/chicago Div).
Key specifications for I18-1872: FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; End Length: 0.344 INCHES NOMINAL SECOND END IN; End Length: 0.3085 INCHES MINIMUM AND 0.3165 INCHES MAXIMUM FIRST END IN; Undercut Width: 0.109 INCHES MINIMUM AND 0.125 INCHES MAXIMUM FIRST END IN. 21 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.