PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W48 1 1/2 INValve,gate

The Walworth Company · NSN 4820-00-840-2615 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-840-2615 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-840-2615. Primary manufacturer part number: W48 1 1/2 IN.
Features
  • Valve,gate — FSC 4820
  • Valve Operation Method: MANUAL
  • Stem Type: RISING
  • Pressure Class: ERR-060
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Operating Pressure and Type: 300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Thread Series Designator: NPT
  • Material: COPPER ALLOY BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-840-2615, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN4820-00-840-2615
Primary Part NumberW48 1 1/2 IN
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusCANCELLED
Valve Operation MethodMANUAL
Stem TypeRISING
Pressure ClassERR-060
Furnished Items and Quantity1 HANDWHEEL
Operating Pressure and Type300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Thread Series DesignatorNPT
MaterialCOPPER ALLOY BODY
Bonnet TypeINSIDE SCREW
Connection TypeTHREADED INTERNAL PIPE
Valve Size1.500 INCHES IN
Material Document and ClassificationASTM B61 ASSN STD ALL MATERIAL RESPONSES BODY
Features ProvidedBONNET PACKING
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY DISK
Nominal Thread Size1.500 INCHES IN
Material Document and ClassificationASTM B61 ASSN STD ALL MATERIAL RESPONSES STEM
MaterialSTEEL CORROSION RESISTING SEAT
Material Document and ClassificationASTM A167 ASSN STD ALL MATERIAL RESPONSES SEAT
Material Document and ClassificationASTM B61 ASSN STD ALL MATERIAL RESPONSES DISK
Bonnet Attachment MethodUNION
Inlet Relationship with OutletIDENTICAL
Maximum Operating Temp and Media for Which Designed550.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4820-00-062-41390264-N-3-4IN INTERCHANGEABLE
Valve,gate
Fairbanks Co the
4820-00-813-85181184 1-1/4IN INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-00-842-64241184-700-38 INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-00-843-0589634E 2IN INTERCHANGEABLE
Valve,gate
Crane Co Div Valve Div
6645-00-846-9206531248-1 INTERCHANGEABLE
Meter,time Totalizing
Instruments and Flight Research, Inc.
4820-00-882-2313TYPE 2/CL 300/SIZE 1/4 IN INTERCHANGEABLE
Valve,gate
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-988-91950264B-1-2 INTERCHANGEABLE
Valve,gate
Fairbanks Co the
Cross-Reference Index
Part NumberManufacturer
3048 1 1/2NPT The Walworth Company (USA)
0264N Fairbanks Co the (USA)
48 The Walworth Company (USA)
W48 1 1/2 IN PRIMARY The Walworth Company (USA)
48 Walworth Co Marine Div (USA)
3048-1.50 NPT The Walworth Company (USA)
634-E Crane Co Div Valve Div (USA)
3048 1-1/2IN The Walworth Company (USA)
Related Parts
4820-00-062-4139INTERCHANGEABLE
VALVE,GATE
0264-N-3-4IN
4820-00-813-8518INTERCHANGEABLE
VALVE,GATE
1184 1-1/4IN
4820-00-842-6424INTERCHANGEABLE
VALVE,GATE
1184-700-38
4820-00-843-0589INTERCHANGEABLE
VALVE,GATE
634E 2IN
6645-00-846-9206INTERCHANGEABLE
METER,TIME TOTALIZING
531248-1
4820-00-882-2313INTERCHANGEABLE
VALVE,GATE
TYPE 2/CL 300/SIZE 1/4 IN
4820-00-988-9195INTERCHANGEABLE
VALVE,GATE
0264B-1-2

Frequently Asked Questions

What is NSN 4820-00-840-2615?

NSN 4820-00-840-2615 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 4820-00-840-2615?

NSN 4820-00-840-2615 has 8 cross-referenced part numbers: 3048 1 1/2NPT (The Walworth Company), 0264N (Fairbanks Co the), 48 (The Walworth Company), W48 1 1/2 IN (The Walworth Company), 48 (Walworth Co Marine Div) and 3 more.

What NSN replaces 4820-00-840-2615?

There are 7 known substitutes for 4820-00-840-2615: 4820-00-062-4139, 4820-00-813-8518, 4820-00-842-6424 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W48 1 1/2 IN?

Key specifications for W48 1 1/2 IN: Valve Operation Method: MANUAL; Stem Type: RISING; Pressure Class: ERR-060; Furnished Items and Quantity: 1 HANDWHEEL. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-840-2615 still in active supply?

NSN 4820-00-840-2615 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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