PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2354-1121ACNValve,calibrated Flow

Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division · NSN 4820-01-450-5486 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-450-5486 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-450-5486. Primary manufacturer part number: 2354-1121ACN.
Features
  • Valve,calibrated Flow — FSC 4820
  • First End Style Designator: SOCKET
  • Body Style: STRAIGHT THRU
  • Valve Discharge Flow Rate: 4.0 GALLONS PER MINUTE
  • Second End Relationship with First End: IDENTICAL
  • First End Nominal Pipe Size Accommodated: 0.500 INCHES IN
  • Temp Rating: 160.0 FAHRENHEIT NOMINAL DEGF
  • Flow Control Device: DIAPHRAGM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-450-5486, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-450-5486
Primary Part Number2354-1121ACN
Item NameValve,calibrated Flow
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
StatusACTIVE
First End Style DesignatorSOCKET
Body StyleSTRAIGHT THRU
Valve Discharge Flow Rate4.0 GALLONS PER MINUTE
Second End Relationship with First EndIDENTICAL
First End Nominal Pipe Size Accommodated0.500 INCHES IN
Temp Rating160.0 FAHRENHEIT NOMINAL DEGF
Flow Control DeviceDIAPHRAGM
First End Connection TypeUNTHREADED INTERNAL PIPE
MaterialCOPPER ALLOY BODY
End Connection Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-058-41452354-1161 INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4310-01-236-49908823B INTERCHANGEABLE
Cylinder Sleeve
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4820-01-395-73222354-1141ACN INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-425-66892354-1041ACN INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-440-71172354-1101ACN INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-440-71182354-1091ACN INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-446-808931215 INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-450-51902354-1031ACN INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-450-54852354-1061ACN INTERCHANGEABLE
Valve,calibrated Flow
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
4820-01-467-49875871-6SK INTERCHANGEABLE
Parts Kit,valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
Part NumberManufacturer
8823-B Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
2354-1121ACN PRIMARY Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
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4820-01-450-5485INTERCHANGEABLE
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Frequently Asked Questions

What is NSN 4820-01-450-5486?

NSN 4820-01-450-5486 is a Valve,calibrated Flow, manufactured by Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-450-5486?

NSN 4820-01-450-5486 has 2 cross-referenced part numbers: 8823-B (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 2354-1121ACN (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division).

What NSN replaces 4820-01-450-5486?

There are 12 known substitutes for 4820-01-450-5486: 4820-01-058-4145, 4310-01-236-4990, 4820-01-395-7322 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2354-1121ACN?

Key specifications for 2354-1121ACN: End Item Identification: ARLEIGH BURKE CLASS DDG; First End Style Designator: SOCKET; Body Style: STRAIGHT THRU; Valve Discharge Flow Rate: 4.0 GALLONS PER MINUTE. 11 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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