PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

650-1-2Valve,globe

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-00-640-0297 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-640-0297 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-640-0297. Primary manufacturer part number: 650-1-2.
Features
  • Valve,globe — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Material: COPPER ALLOY SEAT
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN
  • Maximum Operating Temp: 500.0 FAHRENHEIT SECOND RESPONSE DEGF
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 4820-00-640-0297, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-640-0297
Primary Part Number650-1-2
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.500 INCHES FIRST END IN
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MaterialCOPPER ALLOY SEAT
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Nominal Pipe Size Accommodated0.500 INCHES FIRST END IN
Maximum Operating Temp500.0 FAHRENHEIT SECOND RESPONSE DEGF
Thread DirectionRIGHT-HAND FIRST END
Maximum Operating Temp500.0 FAHRENHEIT FIRST RESPONSE DEGF
Thread Series DesignatorNPT FIRST END
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Media for Which DesignedSTEAM FIRST RESPONSE
Connection TypeTHREADED INTERNAL PIPE FIRST END
Thread Quantity Per Inch14 FIRST END
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-110-3823011 INTERCHANGEABLE
Packing,preformed
Brooks Instrument Llc
3110-00-156-1725 INTERCHANGEABLE
Bearing,ball,thrust
5950-00-249-2561C215351-2 INTERCHANGEABLE
Coil,radio Frequency
Honeywell International Inc Dba Honeywell
2530-00-430-2392031023 INTERCHANGEABLE
Diaphragm,chamber,brake
Velvac Inc
5331-00-444-08492-113N552-9 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5365-00-484-228165012 INTERCHANGEABLE
Spacer,plate
Aerol Llc
5910-00-577-1138 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5210-00-838-8684 INTERCHANGEABLE
Head,micrometer
5999-00-885-0276 INTERCHANGEABLE
Contact,electrical
5940-00-892-3108MS25435-12 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
650 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
650-1-2 PRIMARY William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
011 Conbraco Industries Inc R-P and C Valve Div (USA)
Related Parts
5330-00-110-3823INTERCHANGEABLE
PACKING,PREFORMED
011
3110-00-156-1725INTERCHANGEABLE
BEARING,BALL,THRUST
5950-00-249-2561INTERCHANGEABLE
COIL,RADIO FREQUENCY
C215351-2
2530-00-430-2392INTERCHANGEABLE
DIAPHRAGM,CHAMBER,BRAKE
031023
5331-00-444-0849INTERCHANGEABLE
O-RING
2-113N552-9
5365-00-484-2281INTERCHANGEABLE
SPACER,PLATE
65012
5910-00-577-1138INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5210-00-838-8684INTERCHANGEABLE
HEAD,MICROMETER
5999-00-885-0276INTERCHANGEABLE
CONTACT,ELECTRICAL
5940-00-892-3108INTERCHANGEABLE
TERMINAL,LUG
MS25435-12
5331-01-079-1659INTERCHANGEABLE
O-RING
011
3020-01-253-3565INTERCHANGEABLE
PARTS KIT,CHAIN DRIVE
T3-40Z AND T3-39A AND T3-41D

Frequently Asked Questions

What is NSN 4820-00-640-0297?

NSN 4820-00-640-0297 is a Valve,globe, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-640-0297?

NSN 4820-00-640-0297 has 3 cross-referenced part numbers: 650 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 650-1-2 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 011 (Conbraco Industries Inc R-P and C Valve Div).

What NSN replaces 4820-00-640-0297?

There are 12 known substitutes for 4820-00-640-0297: 5330-00-110-3823, 3110-00-156-1725, 5950-00-249-2561 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 650-1-2?

Key specifications for 650-1-2: Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.500 INCHES FIRST END IN; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS; Material: COPPER ALLOY SEAT. 17 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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