PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

522CCartridge,regulatingvalve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-01-045-2277 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-045-2277 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-045-2277. Primary manufacturer part number: 522C.
Features
  • Cartridge,regulatingvalve — FSC 4820
  • 10 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cartridge,regulatingvalve, cataloged under National Stock Number 4820-01-045-2277, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. This item has 10 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCartridge,regulatingvalve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3); Fairchild Industrial Products Company (CAGE 07282); Dresser-Rand Co Worthington Compressor Opn a Joint Venture (CAGE 93236); Siemens Energy, Inc. Dba Dresser-Rand (CAGE 0AT62)
Technical Specifications
ParameterValue
NSN4820-01-045-2277
Primary Part Number522C
Item NameCartridge,regulatingvalve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5998-00-105-0894 INTERCHANGEABLE
Circuit Card Assembly
2990-00-718-5943230505 INTERCHANGEABLE
Muffler,exhaust
Kohler Co Engine Plant Div
5950-00-891-15688087 INTERCHANGEABLE
Transformer,power
Jetronic Industries, Inc. Dba Jetronic Industries, Inc. Div Contracts
4820-01-045-7845EB-02110 INTERCHANGEABLE
Diaphragm Assembly
Fairchild Industrial Products Company
4820-01-127-51148087 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6150-01-213-87718087 INTERCHANGEABLE
Housing,electrical Rotating Equi
Carlisle & Finch Co
8415-01-507-1004 INTERCHANGEABLE
Gloves,cold Weather
5915-01-541-3806 INTERCHANGEABLE
Filter,band Pass
Cross-Reference Index
Part NumberManufacturer
522C Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
522C Fairchild Industrial Products Company (USA)
34009954 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
200151AC Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
200151AC PC295 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
8087 Fairchild Industrial Products Company (USA)
522C Siemens Energy, Inc. Dba Dresser-Rand (USA)
34009954 Siemens Energy, Inc. Dba Dresser-Rand (USA)
EB-08086 Fairchild Industrial Products Company (USA)
522C Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
Related Parts
5998-00-105-0894INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2990-00-718-5943INTERCHANGEABLE
MUFFLER,EXHAUST
230505
5950-00-891-1568INTERCHANGEABLE
TRANSFORMER,POWER
8087
4820-01-045-7845INTERCHANGEABLE
DIAPHRAGM ASSEMBLY
EB-02110
4820-01-127-5114INTERCHANGEABLE
VALVE,SAFETY RELIEF
8087
6150-01-213-8771INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
8087
8415-01-507-1004INTERCHANGEABLE
GLOVES,COLD WEATHER
5915-01-541-3806INTERCHANGEABLE
FILTER,BAND PASS

Frequently Asked Questions

What is NSN 4820-01-045-2277?

NSN 4820-01-045-2277 is a Cartridge,regulatingvalve, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-045-2277?

NSN 4820-01-045-2277 has 10 cross-referenced part numbers: 522C (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 522C (Fairchild Industrial Products Company), 34009954 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 200151AC (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 200151AC PC295 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 5 more.

What NSN replaces 4820-01-045-2277?

There are 8 known substitutes for 4820-01-045-2277: 5998-00-105-0894, 2990-00-718-5943, 5950-00-891-1568 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com