The Unloader Assembly, cataloged under National Stock Number 4310-00-035-7539, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-035-7539 |
| Primary Part Number | 4570B |
| Item Name | Unloader Assembly |
| 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 |
| General Characteristics Item Description | CONSISTS OF FLANGE,BRASS 1;BODY,BRASS 1;BOLT,STEEL 2;BOLT,BRASS 2;NUT,BRASS 4;SPRING,STEEL 2;W 2.625;LG 3.062;H 4.688 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4570B | Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA) |
| 4570B PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 4570B | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 4570B | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
NSN 4310-00-035-7539 is a Unloader Assembly, 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 4310-00-035-7539 has 4 cross-referenced part numbers: 4570B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 4570B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 4570B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 4570B (Siemens Energy, Inc. Dba Dresser-Rand).
There is 1 known substitute for 4310-00-035-7539: 5940-00-926-0015. Verify interchangeability with system specifications before substitution.
Key specifications for 4570B: General Characteristics Item Description: CONSISTS OF FLANGE,BRASS 1;BODY,BRASS 1;BOLT,STEEL 2;BOLT,BRASS 2;NUT,BRASS 4;SPRING,STEEL 2;W 2.625;LG 3.062;H 4.688. 1 total characteristics are documented in the Federal Logistics Information System.