The Piston,compressor, cataloged under National Stock Number 4310-00-218-4104, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4310-00-218-4104 |
| Primary Part Number | PST6A |
| 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 | CANCELLED |
| Oil Groove | INCLUDED |
| Distance From Pin Hole Center to Extreme Top | 8.500 INCHES NOMINAL IN |
| Pin Hole Bushing | NOT INCLUDED |
| Retaining Ring Groove | NOT INCLUDED |
| Distance Between Pin Bosses | 1.375 INCHES NOMINAL IN |
| Ring Groove Diameter | 1.531 INCHES NOMINAL IN |
| Ring | NOT INCLUDED |
| Integral Connecting Rod | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Skirt Type | SOLID |
| Pinhole Diameter | 1.000 INCHES NOMINAL IN |
| Oil Passage Type | HOLE |
| Ring Groove Quantity | 6 |
| Surface Finish | SEMIFINISHED |
| Material | ALUMINUM ALLOY |
| Pin | INCLUDED |
| Ring Groove Width | 0.125 INCHES NOMINAL AND 0.188 INCHES NOMINAL IN |
| Ring Groove Position and Quantity | NO. 6 RING GROOVE AND NO. 1,NO. 2,NO. 3,NO. 4,NO. 5,AND NO. 6 POSITIONS PISTON |
| Head Style | HAT |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Diameter | 1.750 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20N | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| PST6A | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 501N | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| PST6A | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| HL11472PC91T094 | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| PST6A PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| PST6A | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| PST6A | Atlas Copco Holyoke Inc (USA) |
| PST6 | Atlas Copco Holyoke Inc (USA) |
| PST6A-AP | Acme Products & Engineering Inc (USA) |
NSN 4310-00-218-4104 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: cancelled.
NSN 4310-00-218-4104 has 10 cross-referenced part numbers: 20N (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), PST6A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 501N (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), PST6A (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), HL11472PC91T094 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 5 more.
There are 5 known substitutes for 4310-00-218-4104: 2640-00-147-5160, 3460-00-516-4597, 5330-00-641-1551 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for PST6A: Oil Groove: INCLUDED; Distance From Pin Hole Center to Extreme Top: 8.500 INCHES NOMINAL IN; Pin Hole Bushing: NOT INCLUDED; Retaining Ring Groove: NOT INCLUDED. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 4310-00-218-4104 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.