PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2600-0002Valve,calibrated Flow

Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division · NSN 4820-01-203-7644 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-203-7644 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-203-7644. Primary manufacturer part number: 2600-0002.
Features
  • Valve,calibrated Flow — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-203-7644, 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. This item has 2 commercial cross-references from 2 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,calibrated Flow
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersElectro Impulse Laboratory Inc Dba Electro Impulse Inc (CAGE 91161); Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (CAGE 90800)
Technical Specifications
ParameterValue
NSN4820-01-203-7644
Primary Part Number2600-0002
Item NameValve,calibrated Flow
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-005-32266533-2 INTERCHANGEABLE
Switch,flow
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4240-00-099-936923711957 INTERCHANGEABLE
Cylinder,air,escape Slide
Tavco, Inc. Div Williams Aerospace & Manufacturing Inc.
5950-00-188-747912096 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5935-00-258-9976SC-B-69868 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-351-3747 INTERCHANGEABLE
Connector,receptacle,electrical
6540-00-388-360011082B INTERCHANGEABLE
Projector,visual Acuity Test
Leica Microsystems Inc. Dba Ophthalmic Instruments
6625-00-392-6966 INTERCHANGEABLE
Roller,recording Instrument Char
5210-00-797-577112-096 INTERCHANGEABLE
Meterstick
Fisher Scientific Co
1660-00-953-2447 INTERCHANGEABLE
Disconnect and Hose
2920-01-118-9383120-96 INTERCHANGEABLE
Bracket Assembly,alternator Moun
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
12096 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
2600-0002 PRIMARY Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
Related Parts
5930-00-005-3226INTERCHANGEABLE
SWITCH,FLOW
6533-2
4240-00-099-9369INTERCHANGEABLE
CYLINDER,AIR,ESCAPE SLIDE
23711957
5950-00-188-7479INTERCHANGEABLE
TRANSFORMER,POWER
12096
5935-00-258-9976INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SC-B-69868
5935-00-351-3747INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6540-00-388-3600INTERCHANGEABLE
PROJECTOR,VISUAL ACUITY TEST
11082B
6625-00-392-6966INTERCHANGEABLE
ROLLER,RECORDING INSTRUMENT CHAR
5210-00-797-5771INTERCHANGEABLE
METERSTICK
12-096
1660-00-953-2447INTERCHANGEABLE
DISCONNECT AND HOSE
2920-01-118-9383INTERCHANGEABLE
BRACKET ASSEMBLY,ALTERNATOR MOUN
120-96
5340-01-126-9879INTERCHANGEABLE
INSERT,SELF-LOCKING
12096
5340-01-287-5113INTERCHANGEABLE
INSERT,SELF-LOCKING

Frequently Asked Questions

What is NSN 4820-01-203-7644?

NSN 4820-01-203-7644 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 4820-01-203-7644?

NSN 4820-01-203-7644 has 2 cross-referenced part numbers: 12096 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 2600-0002 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division).

What NSN replaces 4820-01-203-7644?

There are 12 known substitutes for 4820-01-203-7644: 5930-00-005-3226, 4240-00-099-9369, 5950-00-188-7479 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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