PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

831030Stem,overload Valve,steam Turbin

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-01-199-3113 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-199-3113 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-199-3113. Primary manufacturer part number: 831030.
Features
  • Stem,overload Valve,steam Turbin — FSC 4820
  • General Characteristics Item Description: CRES
  • 24 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
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,overload Valve,steam Turbin, cataloged under National Stock Number 4820-01-199-3113, 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. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-199-3113
Primary Part Number831030
Item NameStem,overload Valve,steam Turbin
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusCANCELLED
General Characteristics Item DescriptionCRES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-815-6824831030 INTERCHANGEABLE
Elbow,pipe
Grindley Manufacturing Inc.
2825-01-196-5229T660068 INTERCHANGEABLE
Ring,piston
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
2825-01-196-5334 INTERCHANGEABLE
Cylinder,oil Turbine
5365-01-199-3112 INTERCHANGEABLE
Spacer,wheel,steam Turbine
Cross-Reference Index
Part NumberManufacturer
H3,318,174 PIECE 25 Naval Sea Systems Command (USA)
NH6456 PIECE 25 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
H3,318,174 Naval Sea Systems Command (USA)
25ND6393 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
831030 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
831030 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
NH-7347 PIECE 25 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
831030 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
CLC-25ND6393 Lowe Charles M Co the (USA)
NH6456 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
NH-7347 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
25ND6393 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
NH-7347 PIECE 25 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
831030 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
25ND6393 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
NH-7347 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
NH-7347 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
NH-7347 Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA)
NH6456 PIECE 25 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
NH6456 PIECE 25 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
Related Parts
4730-00-815-6824INTERCHANGEABLE
ELBOW,PIPE
831030
2825-01-196-5229INTERCHANGEABLE
RING,PISTON
T660068
2825-01-196-5334INTERCHANGEABLE
CYLINDER,OIL TURBINE
5365-01-199-3112INTERCHANGEABLE
SPACER,WHEEL,STEAM TURBINE

Frequently Asked Questions

What is NSN 4820-01-199-3113?

NSN 4820-01-199-3113 is a Stem,overload Valve,steam Turbin, 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: cancelled.

What are the part numbers for NSN 4820-01-199-3113?

NSN 4820-01-199-3113 has 24 cross-referenced part numbers: H3,318,174 PIECE 25 (Naval Sea Systems Command), NH6456 PIECE 25 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), H3,318,174 (Naval Sea Systems Command), 25ND6393 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 831030 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions) and 19 more.

What NSN replaces 4820-01-199-3113?

There are 4 known substitutes for 4820-01-199-3113: 4730-00-815-6824, 2825-01-196-5229, 2825-01-196-5334 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 831030?

Key specifications for 831030: General Characteristics Item Description: CRES. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-199-3113 still in active supply?

NSN 4820-01-199-3113 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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