The Piston,compressor, cataloged under National Stock Number 4310-00-218-4118, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary 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 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-218-4118 |
| Primary Part Number | 4020B |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Ring Groove Width | 0.250 INCHES NOMINAL IN |
| Pinhole Diameter | 1.746 INCHES NOMINAL IN |
| Cut Depth | 0.622 INCHES NOMINAL IN |
| Integral Connecting Rod | NOT INCLUDED |
| Material | STEEL |
| Ring Groove Diameter | 3.988 INCHES NOMINAL IN |
| Oil Passage Type | HOLE |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Quantity | 5 |
| Pin Hole Bushing | NOT INCLUDED |
| Skirt Bottom Cutaway Feature | INCLUDED |
| Distance Between Pin Bosses | 2.250 INCHES NOMINAL IN |
| Finished Size Designation | STANDARD |
| Oil Groove | INCLUDED |
| Distance From Pin Hole Center to Extreme Top | 3.868 INCHES NOMINAL IN |
| Diameter | 4.375 INCHES NOMINAL IN |
| Head Style | HAT |
| Skirt Type | SEMISPLIT |
| Ring Groove Position and Quantity | NO. 5 RING GROOVE AND NO. 1,NO. 2,NO. 3,NO. 4,AND NO. 5 POSITIONS PISTON |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | LOCKED |
| Ring | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4020B | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 200109V PIECE 2 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 4020B PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 4020B | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 4020B | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
NSN 4310-00-218-4118 is a Piston,compressor, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-218-4118 has 5 cross-referenced part numbers: 4020B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 200109V PIECE 2 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 4020B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 4020B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 4020B (Siemens Energy, Inc. Dba Dresser-Rand).
There are 3 known substitutes for 4310-00-218-4118: 6625-00-649-2647, 5940-00-685-8977, 5962-01-278-0613. Verify interchangeability with system specifications before substitution.
Key specifications for 4020B: Ring Groove Width: 0.250 INCHES NOMINAL IN; Pinhole Diameter: 1.746 INCHES NOMINAL IN; Overall Height: 6.534 INCHES NOMINAL IN; Cut Depth: 0.622 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.