The Connecting Rod,piston, cataloged under National Stock Number 4310-00-577-8952, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 23 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-577-8952 |
| Primary Part Number | ROD786 |
| Item Name | Connecting Rod,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Shaft Connecting End Hole Inside Diameter | 1.500 INCHES NOMINAL IN |
| End Thickness | 0.745 INCHES NOMINAL IN |
| Body Width at Piston Connecting End | 0.998 INCHES NOMINAL IN |
| Body Width at Shaft Connecting End | 1.176 INCHES NOMINAL IN |
| Shaft Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Bearing | NOT INCLUDED |
| Shaft Connecting End Thickness | 0.932 INCHES NOMINAL IN |
| Center to Center Effective Length | 5.131 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | I-SECTION TYPE |
| Piston Connecting End Bearing | NOT INCLUDED |
| Piston Connecting End Lubrication Method | SPLASH |
| Shaft Connecting End Width | 2.048 INCHES NOMINAL IN |
| Body Thickness at Piston Connecting End | 0.514 INCHES NOMINAL IN |
| End Hole Inside Diameter | 1.002 INCHES NOMINAL IN |
| Body Thickness at Shaft Connecting End | 0.518 INCHES NOMINAL IN |
| Shaft Connecting End Style | AUTOMOTIVE STANDARD SPLIT BEARING 2 BOLT |
| Material | ALUMINUM ALLOY |
| Fabrication Method | CAST |
| Piston End Connection Style | SMALL ENGINE AND AUTOMOTIVE STANDARD |
| Edge Radius | 0.776 INCHES NOMINAL IN |
| Piston Connecting End Lubrication Drill Feature | INCLUDED |
| Shaft Connecting End Lubrication Method | SPLASH |
| Shaft Connecting End Edge Radius | 0.972 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 |
|---|---|
| ROD786 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| ROD786 | 5/9 Secondary reference U.S. Government activity |
| 2548N | 5/9 Secondary reference U.S. Government activity |
| ROD786 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| ROD786 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| HL19884PC9 | 5/9 Secondary reference U.S. Government activity |
NSN 4310-00-577-8952 is a Connecting Rod,piston, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-577-8952 has 1 manufacturer part number on file: ROD786 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
Key specifications for ROD786: Shaft Connecting End Hole Inside Diameter: 1.500 INCHES NOMINAL IN; End Thickness: 0.745 INCHES NOMINAL IN; Body Width at Piston Connecting End: 0.998 INCHES NOMINAL IN; Body Width at Shaft Connecting End: 1.176 INCHES NOMINAL IN. 23 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.