PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1812K26Valve,globe

Mcmaster-Carr Supply Co · NSN 4820-01-238-5943 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-238-5943 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-238-5943. Primary manufacturer part number: 1812K26.
Features
  • Valve,globe — FSC 4820
  • Thread Series Designator: NPT FIRST END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Maximum Operating Temp: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END
  • Nominal Thread Size: 0.750 INCHES SECOND END IN
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Material: COPPER ALLOY OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-238-5943, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-238-5943
Primary Part Number1812K26
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMcmaster-Carr Supply Co
StatusCANCELLED
Thread Series DesignatorNPT FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Maximum Operating Temp350.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Nominal Thread Size0.750 INCHES SECOND END IN
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
Nominal Thread Size0.750 INCHES FIRST END IN
Thread DirectionRIGHT-HAND SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread DirectionRIGHT-HAND FIRST END
Flow Control DeviceDISK
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN (PIPE) SECOND END
Style DesignatorSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5342-00-036-3174 INTERCHANGEABLE
Mount,resilient,weapon System
4520-00-277-7506 INTERCHANGEABLE
Valve,radiator,heating
4520-00-277-7507 INTERCHANGEABLE
Valve,radiator,heating
2990-00-511-7629 INTERCHANGEABLE
Yoke,governor
5805-00-537-7731SCB26497 INTERCHANGEABLE
Marker,cable
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6685-01-178-47184-099 INTERCHANGEABLE
Thermometer,indicating,capillary
National Refrigeration & Air Conditioning Products Inc Dba Continental Refrigerator
6515-01-354-59404270 INTERCHANGEABLE
Lead,pacemaker,cardiac
Cardiac Pacemakers Inc
9390-01-364-3736316008 INTERCHANGEABLE
Tape,reflective
Avionics Specialties, Inc.
5995-01-372-30774270-1 INTERCHANGEABLE
Cable Assembly
Tech Resources, Inc
4940-01-478-00104270 INTERCHANGEABLE
Elbow,street,parts,
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
4270 Crane Co Div Valve Div (USA)
1812K16 Mcmaster-Carr Supply Co (USA)
1812K26 PRIMARY Mcmaster-Carr Supply Co (USA)
Related Parts
5342-00-036-3174INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4520-00-277-7506INTERCHANGEABLE
VALVE,RADIATOR,HEATING
4520-00-277-7507INTERCHANGEABLE
VALVE,RADIATOR,HEATING
2990-00-511-7629INTERCHANGEABLE
YOKE,GOVERNOR
5805-00-537-7731INTERCHANGEABLE
MARKER,CABLE
SCB26497
6685-01-178-4718INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
4-099
6515-01-354-5940INTERCHANGEABLE
LEAD,PACEMAKER,CARDIAC
4270
9390-01-364-3736INTERCHANGEABLE
TAPE,REFLECTIVE
316008
5995-01-372-3077INTERCHANGEABLE
CABLE ASSEMBLY
4270-1
4940-01-478-0010INTERCHANGEABLE
ELBOW,STREET,PARTS,
4270
6515-01-554-5673INTERCHANGEABLE
FORCEPS,HEMOSTATIC
NA1400
3220-01-615-3167INTERCHANGEABLE
JOINTER,WOODWORKING
4270

Frequently Asked Questions

What is NSN 4820-01-238-5943?

NSN 4820-01-238-5943 is a Valve,globe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-238-5943?

NSN 4820-01-238-5943 has 3 cross-referenced part numbers: 4270 (Crane Co Div Valve Div), 1812K16 (Mcmaster-Carr Supply Co), 1812K26 (Mcmaster-Carr Supply Co).

What NSN replaces 4820-01-238-5943?

There are 12 known substitutes for 4820-01-238-5943: 5342-00-036-3174, 4520-00-277-7506, 4520-00-277-7507 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1812K26?

Key specifications for 1812K26: Thread Series Designator: NPT FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END; Maximum Operating Temp: 350.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-238-5943 still in active supply?

NSN 4820-01-238-5943 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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