PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4171M2BValve,globe

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-00-246-3030 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-246-3030 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-246-3030. Primary manufacturer part number: 4171M2B.
Features
  • Valve,globe — FSC 4820
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Material: COPPER ALLOY SEAT
  • Maximum Operating Temp: 300.0 FAHRENHEIT SECOND RESPONSE DEGF
  • Material: COPPER ALLOY BODY
  • Bonnet Type: INSIDE SCREW
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.125 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-246-3030, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-246-3030
Primary Part Number4171M2B
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusCANCELLED
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
MaterialCOPPER ALLOY SEAT
Maximum Operating Temp300.0 FAHRENHEIT SECOND RESPONSE DEGF
MaterialCOPPER ALLOY BODY
Bonnet TypeINSIDE SCREW
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.125 INCHES ALL ENDS IN
MaterialSTEEL COMP 303 FLOW CONTROL DEVICE
Bonnet Attachment MethodINTEGRAL
Thread DirectionRIGHT-HAND ALL ENDS
Maximum Operating Temp-40.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Series DesignatorNPT ALL ENDS
Flow Control DeviceDISK
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Operating Pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StylePLAIN (PIPE) ALL ENDS
Valve Operation MethodMANUAL
Media for Which DesignedCARBON DIOXIDE SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2825-00-056-2408 INTERCHANGEABLE
Roller,governor Weight,steam Tur
4820-00-106-892713623 INTERCHANGEABLE
Valve,globe
Provision, Inc. Dba Provision Inc
4820-00-220-3968H4171M2B/HPS-17 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
5962-00-927-1567DM7420N INTERCHANGEABLE
Microcircuit,digital
Fairchild Semiconductor Corp
6650-01-688-1702A431 INTERCHANGEABLE
Cleaning Kit,optical Instrument
Lightforce Usa, Incorporated Div Mil-Gov-Le
Cross-Reference Index
Part NumberManufacturer
A431 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
509015 Brooks Automation, Inc. Div Cti Cryogenics (USA)
4171M2B PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
2825-00-056-2408INTERCHANGEABLE
ROLLER,GOVERNOR WEIGHT,STEAM TUR
4820-00-106-8927INTERCHANGEABLE
VALVE,GLOBE
13623
4820-00-220-3968INTERCHANGEABLE
VALVE,GLOBE
H4171M2B/HPS-17
5962-00-927-1567INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
DM7420N
6650-01-688-1702INTERCHANGEABLE
CLEANING KIT,OPTICAL INSTRUMENT
A431

Frequently Asked Questions

What is NSN 4820-00-246-3030?

NSN 4820-00-246-3030 is a Valve,globe, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-246-3030?

NSN 4820-00-246-3030 has 3 cross-referenced part numbers: A431 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 509015 (Brooks Automation, Inc. Div Cti Cryogenics), 4171M2B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-00-246-3030?

There are 5 known substitutes for 4820-00-246-3030: 2825-00-056-2408, 4820-00-106-8927, 4820-00-220-3968 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4171M2B?

Key specifications for 4171M2B: Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Material: COPPER ALLOY SEAT; Maximum Operating Temp: 300.0 FAHRENHEIT SECOND RESPONSE DEGF; Material: COPPER ALLOY BODY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-246-3030 still in active supply?

NSN 4820-00-246-3030 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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