PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

509E628AB PN 27Valve,flow Control

General Electric Co Naval and Drive Turbine Systems Dept · NSN 4820-01-450-0812 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-450-0812 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-450-0812. Primary manufacturer part number: 509E628AB PN 27.
Features
  • Valve,flow Control — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: General Electric Co Naval and Drive Turbine Systems Dept
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-450-0812, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Electric Co Naval and Drive Turbine Systems Dept. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,flow Control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGeneral Electric Co Naval and Drive Turbine Systems Dept (CAGE 03502); Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (CAGE 0BR59); Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3)
Technical Specifications
ParameterValue
NSN4820-01-450-0812
Primary Part Number509E628AB PN 27
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Electric Co Naval and Drive Turbine Systems Dept
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3020-00-621-06727Y2030 INTERCHANGEABLE
Gear,spur
Garwood/feller Inc Garwood Winch Div
5945-01-230-6901B70.0 INTERCHANGEABLE
Thermal Unit
Schneider Electric Usa, Inc.
6515-01-279-6482B-700 INTERCHANGEABLE
Cryosurgical Unit,dermatological
Brymill Corporation Dba Brymill Corp
5340-01-383-2502B700 INTERCHANGEABLE
Plate,mounting
Betts Spring Co
4820-01-394-0572B700A04E98B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0574B700A05B97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0575B700A04M97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0576B700A05P97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0578B700A05H97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-394-0579B700A06D97B INTERCHANGEABLE
Valve,throttle
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
509E628AB PN 27 General Electric Co Naval and Drive Turbine Systems Dept (USA)
B700 General Electric Co Naval and Drive Turbine Systems Dept (USA)
B700A05R105M General Electric Co Naval and Drive Turbine Systems Dept (USA)
B700A05R105M Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
B700A05R105M Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
Related Parts
3020-00-621-0672INTERCHANGEABLE
GEAR,SPUR
7Y2030
5945-01-230-6901INTERCHANGEABLE
THERMAL UNIT
B70.0
6515-01-279-6482INTERCHANGEABLE
CRYOSURGICAL UNIT,DERMATOLOGICAL
B-700
5340-01-383-2502INTERCHANGEABLE
PLATE,MOUNTING
B700
4820-01-394-0572INTERCHANGEABLE
VALVE,THROTTLE
B700A04E98B
4820-01-394-0574INTERCHANGEABLE
VALVE,THROTTLE
B700A05B97B
4820-01-394-0575INTERCHANGEABLE
VALVE,THROTTLE
B700A04M97B
4820-01-394-0576INTERCHANGEABLE
VALVE,THROTTLE
B700A05P97B
4820-01-394-0578INTERCHANGEABLE
VALVE,THROTTLE
B700A05H97B
4820-01-394-0579INTERCHANGEABLE
VALVE,THROTTLE
B700A06D97B
4820-01-450-0027INTERCHANGEABLE
VALVE,FLOW CONTROL
4820-01-450-0828INTERCHANGEABLE
VALVE,FLOW CONTROL

Frequently Asked Questions

What is NSN 4820-01-450-0812?

NSN 4820-01-450-0812 is a Valve,flow Control, manufactured by General Electric Co Naval and Drive Turbine Systems Dept, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-450-0812?

NSN 4820-01-450-0812 has 5 cross-referenced part numbers: 509E628AB PN 27 (General Electric Co Naval and Drive Turbine Systems Dept), B700 (General Electric Co Naval and Drive Turbine Systems Dept), B700A05R105M (General Electric Co Naval and Drive Turbine Systems Dept), B700A05R105M (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), B700A05R105M (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).

What NSN replaces 4820-01-450-0812?

There are 12 known substitutes for 4820-01-450-0812: 3020-00-621-0672, 5945-01-230-6901, 6515-01-279-6482 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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