PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6251Valve,globe

Henry Technologies, Inc. · NSN 4820-01-242-3266 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-242-3266 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-242-3266. Primary manufacturer part number: 6251.
Features
  • Valve,globe — FSC 4820
  • Nominal Thread Size: 0.438 INCHES ALL ENDS IN
  • Media for Which Designed: REFRIGERANT 22 SECOND RESPONSE
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Connection Style: FLARED (TUBE) ALL ENDS
  • Bonnet Attachment Method: THREADED
  • Valve Operation Method: MANUAL
  • 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 4820-01-242-3266, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-242-3266
Primary Part Number6251
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusCANCELLED
Nominal Thread Size0.438 INCHES ALL ENDS IN
Media for Which DesignedREFRIGERANT 22 SECOND RESPONSE
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Connection StyleFLARED (TUBE) ALL ENDS
Bonnet Attachment MethodTHREADED
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY OVERALL
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class2A ALL ENDS A
Media for Which DesignedREFRIGERANT 12 FIRST RESPONSE
Thread DirectionRIGHT-HAND ALL ENDS
Seat Angle37.0 DEGREES ALL ENDS
Flow Control DeviceSTEM
Style DesignatorSTRAIGHT THRU
Bonnet TypeINSIDE SCREW
Thread Series DesignatorUNF ALL ENDS
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4730-00-011-2304 INTERCHANGEABLE
Plug,pipe
5331-00-165-1966M83248/1-251 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5950-00-226-3088446016 INTERCHANGEABLE
Transformer,power
Boonton Electronics Corporation Div Boonton Electronics
5330-00-354-0975 INTERCHANGEABLE
Gasket
2590-00-737-3216453077-A1 INTERCHANGEABLE
Plate Assembly
Trw Inc Trw Commercial Steering Div
5950-01-163-0363 INTERCHANGEABLE
Transformer,power
4810-01-192-68346251 INTERCHANGEABLE
Valve Assembly,thermal Relief
Gst Industries Inc.
Cross-Reference Index
Part NumberManufacturer
6251 Henry Technologies, Inc. (USA)
A15701 Mueller Brass Co. (USA)
6251 PRIMARY Henry Technologies, Inc. (USA)
Related Parts
4730-00-011-2304INTERCHANGEABLE
PLUG,PIPE
5331-00-165-1966INTERCHANGEABLE
O-RING
M83248/1-251
5950-00-226-3088INTERCHANGEABLE
TRANSFORMER,POWER
446016
5330-00-354-0975INTERCHANGEABLE
GASKET
2590-00-737-3216INTERCHANGEABLE
PLATE ASSEMBLY
453077-A1
5950-01-163-0363INTERCHANGEABLE
TRANSFORMER,POWER
4810-01-192-6834INTERCHANGEABLE
VALVE ASSEMBLY,THERMAL RELIEF
6251

Frequently Asked Questions

What is NSN 4820-01-242-3266?

NSN 4820-01-242-3266 is a Valve,globe, manufactured by Henry Technologies, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-242-3266?

NSN 4820-01-242-3266 has 3 cross-referenced part numbers: 6251 (Henry Technologies, Inc.), A15701 (Mueller Brass Co.), 6251 (Henry Technologies, Inc.).

What NSN replaces 4820-01-242-3266?

There are 7 known substitutes for 4820-01-242-3266: 4730-00-011-2304, 5331-00-165-1966, 5950-00-226-3088 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6251?

Key specifications for 6251: Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Media for Which Designed: REFRIGERANT 22 SECOND RESPONSE; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Connection Style: FLARED (TUBE) ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-242-3266 still in active supply?

NSN 4820-01-242-3266 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.
PartsTable Design LLC · partstable.com