PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

726F4INValve,gate

The Walworth Company · NSN 4820-00-818-1270 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-818-1270 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-818-1270. Primary manufacturer part number: 726F4IN.
Features
  • Valve,gate — FSC 4820
  • Bonnet Attachment Method: BOLTED
  • Flange Diameter: 9.000 INCHES IN
  • Material: IRON BODY
  • Face to Face Distance: 9.000 INCHES IN
  • Maximum Operating Temp and Media for Which Designed: 450.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
  • Operating Pressure and Type: 125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Inlet Relationship with Outlet: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-818-1270, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN4820-00-818-1270
Primary Part Number726F4IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusCANCELLED
Bonnet Attachment MethodBOLTED
Flange Diameter9.000 INCHES IN
MaterialIRON BODY
Face to Face Distance9.000 INCHES IN
Maximum Operating Temp and Media for Which Designed450.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
Operating Pressure and Type125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Inlet Relationship with OutletIDENTICAL
Valve Size4.000 INCHES IN
Bonnet TypeOUTSIDE SCREW-YOKE
MaterialCOPPER ALLOY SEAT
Bolt Hole Quantity8
Material Document and ClassificationASTMFEA000 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialCOPPER ALLOY STEM
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY DISK
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Connection TypeFLANGE, ROUND W/HOLES
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE DISK
Stem TypeRISING
Flange Face DesignPLAIN
Material Document and ClassificationASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE STEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-142-3139 INTERCHANGEABLE
Valve,gate
4820-00-268-87731787 SZ 4 IN INTERCHANGEABLE
Valve,gate
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-00-268-8776 INTERCHANGEABLE
Valve,gate
4820-00-275-2424 INTERCHANGEABLE
Valve,gate
4820-00-275-2425 INTERCHANGEABLE
Valve,gate
4820-00-275-2426 INTERCHANGEABLE
Valve,gate
4820-00-883-0160MSS-SP-70 TY 1/OF/TIM A/CL125 INTERCHANGEABLE
Valve,gate
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-883-4596 INTERCHANGEABLE
Valve,gate
4820-00-899-7358 INTERCHANGEABLE
Valve,gate
6625-01-233-4436465-124 INTERCHANGEABLE
Meter,multiple Scale
Jewell Instruments Llc
Cross-Reference Index
Part NumberManufacturer
465-1-2-4 Crane Co Div Valve Div (USA)
465-1-2-4 United Catalysts Inc (USA)
726F4IN PRIMARY The Walworth Company (USA)
WW-V-58 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MSS-SP-70-76 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
Related Parts
4820-00-142-3139INTERCHANGEABLE
VALVE,GATE
4820-00-268-8773INTERCHANGEABLE
VALVE,GATE
1787 SZ 4 IN
4820-00-268-8776INTERCHANGEABLE
VALVE,GATE
4820-00-275-2424INTERCHANGEABLE
VALVE,GATE
4820-00-275-2425INTERCHANGEABLE
VALVE,GATE
4820-00-275-2426INTERCHANGEABLE
VALVE,GATE
4820-00-883-0160INTERCHANGEABLE
VALVE,GATE
MSS-SP-70 TY 1/OF/TIM A/CL125
4820-00-883-4596INTERCHANGEABLE
VALVE,GATE
4820-00-899-7358INTERCHANGEABLE
VALVE,GATE
6625-01-233-4436INTERCHANGEABLE
METER,MULTIPLE SCALE
465-124
4820-01-439-2037INTERCHANGEABLE
VALVE,GATE
4820-01-439-2127INTERCHANGEABLE
VALVE,GATE

Frequently Asked Questions

What is NSN 4820-00-818-1270?

NSN 4820-00-818-1270 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-818-1270?

NSN 4820-00-818-1270 has 5 cross-referenced part numbers: 465-1-2-4 (Crane Co Div Valve Div), 465-1-2-4 (United Catalysts Inc), 726F4IN (The Walworth Company), WW-V-58 (Federal Specifications Promulgated by General Services Administration Washington DC), MSS-SP-70-76 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc).

What NSN replaces 4820-00-818-1270?

There are 12 known substitutes for 4820-00-818-1270: 4820-00-142-3139, 4820-00-268-8773, 4820-00-268-8776 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 726F4IN?

Key specifications for 726F4IN: Bonnet Attachment Method: BOLTED; Flange Diameter: 9.000 INCHES IN; Material: IRON BODY; Face to Face Distance: 9.000 INCHES IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-818-1270 still in active supply?

NSN 4820-00-818-1270 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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