PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4445Valve,globe

Ashcroft Inc Dba Heise · NSN 4820-00-844-2426 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-844-2426 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-844-2426. Primary manufacturer part number: 4445.
Features
  • Valve,globe — FSC 4820
  • Thread Series Designator: NPT ALL ENDS
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY END DIMENSION DATA
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Material: COPPER ALLOY BODY
  • Thread Quantity Per Inch: 14 ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-844-2426, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4820-00-844-2426
Primary Part Number4445
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Thread Series DesignatorNPT ALL ENDS
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY END DIMENSION DATA
Nominal Thread Size0.750 INCHES ALL ENDS IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
MaterialCOPPER ALLOY BODY
Thread Quantity Per Inch14 ALL ENDS
Features ProvidedBONNET PACKING
MaterialSTEEL CORROSION RESISTING SEAT
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Bonnet TypeINSIDE SCREW
Flow Control DeviceDISK
Maximum Operating Temp100.0 FAHRENHEIT SECOND RESPONSE DEGF
Renewable Seat Ring TypeTHREADED
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
Bonnet Attachment MethodTHREADED
Maximum Operating Temp385.0 FAHRENHEIT FIRST RESPONSE DEGF
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY STEM
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Style DesignatorSTRAIGHT THRU
Media for Which DesignedSTEAM FIRST RESPONSE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1620-00-024-63464445 INTERCHANGEABLE
Orifice,valve
Goodrich Corporation
5120-00-116-3088Y143 INTERCHANGEABLE
Die,crimping Tool
Daniels Manufacturing Corporation
5820-00-230-0454 INTERCHANGEABLE
Radio Set
5120-00-249-1071 INTERCHANGEABLE
Handle,socket Wrench
4820-00-274-7389 INTERCHANGEABLE
Valve,globe
2920-00-374-4745MX2563C25 INTERCHANGEABLE
Coupling Assembly,impulse
Fairbanks Morse, Llc
6740-00-397-9626601122 INTERCHANGEABLE
Macro Extension
Polaroid Corporation Dba Polaroid
4730-00-522-1969 INTERCHANGEABLE
Packing Nut
5999-00-846-298744-45 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
4820-00-892-2007 INTERCHANGEABLE
Valve,globe
Cross-Reference Index
Part NumberManufacturer
4445 Ashcroft Inc Dba Heise (USA)
Related Parts
1620-00-024-6346INTERCHANGEABLE
ORIFICE,VALVE
4445
5120-00-116-3088INTERCHANGEABLE
DIE,CRIMPING TOOL
Y143
5820-00-230-0454INTERCHANGEABLE
RADIO SET
5120-00-249-1071INTERCHANGEABLE
HANDLE,SOCKET WRENCH
4820-00-274-7389INTERCHANGEABLE
VALVE,GLOBE
2920-00-374-4745INTERCHANGEABLE
COUPLING ASSEMBLY,IMPULSE
MX2563C25
6740-00-397-9626INTERCHANGEABLE
MACRO EXTENSION
601122
4730-00-522-1969INTERCHANGEABLE
PACKING NUT
5999-00-846-2987INTERCHANGEABLE
DELAY LINE
44-45
4820-00-892-2007INTERCHANGEABLE
VALVE,GLOBE
5905-00-904-0290INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
018-032-019
5985-01-103-0049INTERCHANGEABLE
ATTENUATOR,FIXED
40-012082-05

Frequently Asked Questions

What is NSN 4820-00-844-2426?

NSN 4820-00-844-2426 is a Valve,globe, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-844-2426?

NSN 4820-00-844-2426 has 1 cross-referenced part number: 4445 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-844-2426?

There are 12 known substitutes for 4820-00-844-2426: 1620-00-024-6346, 5120-00-116-3088, 5820-00-230-0454 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4445?

Key specifications for 4445: Thread Series Designator: NPT ALL ENDS; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY END DIMENSION DATA; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 25 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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