PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D48373/D48373N0Valve,regulating,fluid Pressure

Hunt Valve Company Inc Dba Union Flonetics · NSN 4820-00-096-8563 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-096-8563 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-096-8563. Primary manufacturer part number: D48373/D48373N0.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Flow Control Device: POPPET
  • Valve Loading Method: SPRING
  • Thread Size and Series/type Designator: 1.250-11 1/2 NPT FIRST END
  • Material: COPPER ALLOY BODY
  • Media for Which Designed: AIR
  • Body Style: STRAIGHT THRU
  • Filter: NOT INCLUDED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-096-8563, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company Inc Dba Union Flonetics. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-096-8563
Primary Part NumberD48373/D48373N0
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHunt Valve Company Inc Dba Union Flonetics
StatusACTIVE
Flow Control DevicePOPPET
Valve Loading MethodSPRING
Thread Size and Series/type Designator1.250-11 1/2 NPT FIRST END
MaterialCOPPER ALLOY BODY
Media for Which DesignedAIR
Body StyleSTRAIGHT THRU
FilterNOT INCLUDED
Nondefinitive Spec/std Data3 TYPE AND A CLASS AND A DESIGN
Temp Rating165.0 FAHRENHEIT NOMINAL DEGF
First End Style DesignatorSWIVEL NUT, FLARE
Test Data Document81349-MILS901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
End Connection Quantity2
Regulation TypeAUTOMATIC SINGLE STAGE
Second End Relationship with First EndIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-455-8505P1400-1.5 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4820-00-455-8577 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-111-0783 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-114-5894 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-145-6473 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-145-6474 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-238-0202 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-340-228640490-9 PART 40490-903 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-436-9365 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-537-9814Y402954001 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
D48373/D48373N0 Hunt Valve Company Inc Dba Union Flonetics (USA)
D48373/D48373NO REV/882096254 Hunt Valve Company, Inc. (USA)
D48373 Superior Autocatheter Enterprises, Inc. (USA)
D48373/D48373NO REV/882096254 Hunt Valve Company Inc Dba Union Flonetics (USA)
D48373-1-1-4IN Hunt Valve Company Inc Dba Union Flonetics (USA)
MILV24384 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-455-8505INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
P1400-1.5
4820-00-455-8577INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-111-0783INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-114-5894INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-145-6473INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-145-6474INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-238-0202INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-340-2286INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40490-9 PART 40490-903
4820-01-436-9365INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-537-9814INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
Y402954001
4820-01-561-8092INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE

Frequently Asked Questions

What is NSN 4820-00-096-8563?

NSN 4820-00-096-8563 is a Valve,regulating,fluid Pressure, manufactured by Hunt Valve Company Inc Dba Union Flonetics, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-096-8563?

NSN 4820-00-096-8563 has 6 cross-referenced part numbers: D48373/D48373N0 (Hunt Valve Company Inc Dba Union Flonetics), D48373/D48373NO REV/882096254 (Hunt Valve Company, Inc.), D48373 (Superior Autocatheter Enterprises, Inc.), D48373/D48373NO REV/882096254 (Hunt Valve Company Inc Dba Union Flonetics), D48373-1-1-4IN (Hunt Valve Company Inc Dba Union Flonetics) and 1 more.

What NSN replaces 4820-00-096-8563?

There are 11 known substitutes for 4820-00-096-8563: 4820-00-455-8505, 4820-00-455-8577, 4820-01-111-0783 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D48373/D48373N0?

Key specifications for D48373/D48373N0: Flow Control Device: POPPET; Valve Loading Method: SPRING; Thread Size and Series/type Designator: 1.250-11 1/2 NPT FIRST END; Material: COPPER ALLOY BODY. 15 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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