PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL1611-1Stem,fluid Valve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-01-026-0330 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-026-0330 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-026-0330. Primary manufacturer part number: NL1611-1.
Features
  • Stem,fluid Valve — FSC 4820
  • Largest Outside Diameter: 1.250 INCHES NOMINAL IN
  • Material: STEEL
  • 6 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
  • Applications requiring Steel construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-026-0330, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-026-0330
Primary Part NumberNL1611-1
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
StatusACTIVE
Largest Outside Diameter1.250 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-01-115-6739NL0161-1 INTERCHANGEABLE
Spindle,screw,valve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
NL1611-1 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
NL1611-1 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
NL1611-1L1 Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA)
NL1611-1 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
NL1611-1 Dresser-Rand Company (USA)
NL1611 Pentair Valves & Controls Us Lp Div Flow Control Us Holding Corp (USA)
Related Parts
4820-01-115-6739INTERCHANGEABLE
SPINDLE,SCREW,VALVE
NL0161-1

Frequently Asked Questions

What is NSN 4820-01-026-0330?

NSN 4820-01-026-0330 is a Stem,fluid Valve, 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 4820-01-026-0330?

NSN 4820-01-026-0330 has 6 cross-referenced part numbers: NL1611-1 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), NL1611-1 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), NL1611-1L1 (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team), NL1611-1 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), NL1611-1 (Dresser-Rand Company) and 1 more.

What NSN replaces 4820-01-026-0330?

There is 1 known substitute for 4820-01-026-0330: 4820-01-115-6739. Verify interchangeability with system specifications before substitution.

What are the specifications of NL1611-1?

Key specifications for NL1611-1: Largest Outside Diameter: 1.250 INCHES NOMINAL IN; Overall Length: 21.000 INCHES NOMINAL IN; Material: STEEL. 3 total characteristics are documented in the Federal Logistics Information System.

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