PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R12819 2Stem,needle Valve

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions · NSN 4820-00-758-5066 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-758-5066 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-758-5066. Primary manufacturer part number: R12819 2.
Features
  • Stem,needle Valve — FSC 4820
  • 9 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,needle Valve, cataloged under National Stock Number 4820-00-758-5066, 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 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-758-5066
Primary Part NumberR12819 2
Item NameStem,needle 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
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5998-00-018-0580 INTERCHANGEABLE
Circuit Card Assembly
3120-00-213-0824 INTERCHANGEABLE
Bearing,sleeve
5325-00-353-1686319374 INTERCHANGEABLE
Ring,retaining
Brp Us Inc
5826-00-394-3992 INTERCHANGEABLE
Stop,pointer Upper
9340-01-170-4682 INTERCHANGEABLE
Window,observation
4330-01-176-6370 INTERCHANGEABLE
Filter,fluid
3455-01-308-569630244 INTERCHANGEABLE
Cutter,milling,end
Johnson Carbide Products Inc
6130-01-426-29423024-4 INTERCHANGEABLE
Power Supply
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5930-01-541-536730244 INTERCHANGEABLE
Switch,pressure
Gas Turbine Efficiency Ab Gte
6540-01-600-65364-0436-9104 INTERCHANGEABLE
Carrier,lens,prescription
Revision Military Limited
Cross-Reference Index
Part NumberManufacturer
539384PC2 Calgon Corp (USA)
86035 Cleveland Electronics Inc (USA)
R12819 2 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
R12819 2 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
12819-002 Rosemount Analytical, Inc. Div Process Analytical Division (USA)
12819-002 Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA)
R12819 2 PRIMARY Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
12819-2 Calgon Corp (USA)
30244 Calgon Corp (USA)
Related Parts
5998-00-018-0580INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3120-00-213-0824INTERCHANGEABLE
BEARING,SLEEVE
5325-00-353-1686INTERCHANGEABLE
RING,RETAINING
319374
5826-00-394-3992INTERCHANGEABLE
STOP,POINTER UPPER
9340-01-170-4682INTERCHANGEABLE
WINDOW,OBSERVATION
4330-01-176-6370INTERCHANGEABLE
FILTER,FLUID
3455-01-308-5696INTERCHANGEABLE
CUTTER,MILLING,END
30244
6130-01-426-2942INTERCHANGEABLE
POWER SUPPLY
3024-4
5930-01-541-5367INTERCHANGEABLE
SWITCH,PRESSURE
30244
6540-01-600-6536INTERCHANGEABLE
CARRIER,LENS,PRESCRIPTION
4-0436-9104

Frequently Asked Questions

What is NSN 4820-00-758-5066?

NSN 4820-00-758-5066 is a Stem,needle 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 4820-00-758-5066?

NSN 4820-00-758-5066 has 9 cross-referenced part numbers: 539384PC2 (Calgon Corp), 86035 (Cleveland Electronics Inc), R12819 2 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), R12819 2 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 12819-002 (Rosemount Analytical, Inc. Div Process Analytical Division) and 4 more.

What NSN replaces 4820-00-758-5066?

There are 10 known substitutes for 4820-00-758-5066: 5998-00-018-0580, 3120-00-213-0824, 5325-00-353-1686 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R12819 2?

Key specifications for R12819 2: Special Features: STAINLESS STEEL;1.250 IN. OVERALL LENGTH IN. 1 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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