PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

431Valve,gate

Crane Co Div Valve Div · NSN 4820-00-827-3266 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-827-3266 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-827-3266. Primary manufacturer part number: 431.
Features
  • Valve,gate — FSC 4820
  • Material: COPPER ALLOY BODY
  • Stem Type: RISING
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Thread Series Designator: NPT
  • Bonnet Attachment Method: THREADED
  • Nominal Thread Size: 1.500 INCHES IN
  • Material: COPPER ALLOY SEAT
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 4820-00-827-3266, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN4820-00-827-3266
Primary Part Number431
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusCANCELLED
MaterialCOPPER ALLOY BODY
Stem TypeRISING
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Thread Series DesignatorNPT
Bonnet Attachment MethodTHREADED
Nominal Thread Size1.500 INCHES IN
MaterialCOPPER ALLOY SEAT
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY DISK
Connection TypeTHREADED INTERNAL PIPE
Valve Operation MethodMANUAL
Bonnet TypeINSIDE SCREW
Features ProvidedBONNET PACKING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-034-637245112A INTERCHANGEABLE
Board Assembly
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
5935-00-063-9223131-1001-34 INTERCHANGEABLE
Connector,receptacle,electrical
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5330-00-227-153870-4112 INTERCHANGEABLE
Gasket
Department of Defense Project Manager-Mobile Electric Power
3455-00-232-903258-10119 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4820-00-288-72321150-700-14 INTERCHANGEABLE
Valve,gate
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
5120-00-289-90355120-00-289-9035 INTERCHANGEABLE
Shovel,hand
General Services Administration Federal Supply Service
4820-00-322-23934511-2 INTERCHANGEABLE
Valve,seat
Avox Systems Inc Dba Avox Systems Inc
4820-00-483-0677803-1385714-8XAF INTERCHANGEABLE
Valve,gate
Naval Ship Systems Command
5930-00-501-485945-112 INTERCHANGEABLE
Switch,toggle
Raytheon Company Dba Raytheon Co
5331-00-599-0950 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
431 Crane Co Div Valve Div (USA)
U0226 Fairbanks Co the (USA)
4511-2 Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA)
13134 Scott Valve Mfg Co (USA)
11 The Walworth Company (USA)
704-1 1-2 Conbraco Industries Inc R-P and C Valve Div (USA)
11 1-1/2IN The Walworth Company (USA)
7150 Lunkenheimer Co (USA)
Related Parts
6625-00-034-6372INTERCHANGEABLE
BOARD ASSEMBLY
45112A
5935-00-063-9223INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
131-1001-34
5330-00-227-1538INTERCHANGEABLE
GASKET
70-4112
3455-00-232-9032INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10119
4820-00-288-7232INTERCHANGEABLE
VALVE,GATE
1150-700-14
5120-00-289-9035INTERCHANGEABLE
SHOVEL,HAND
5120-00-289-9035
4820-00-322-2393INTERCHANGEABLE
VALVE,SEAT
4511-2
4820-00-483-0677INTERCHANGEABLE
VALVE,GATE
803-1385714-8XAF
5930-00-501-4859INTERCHANGEABLE
SWITCH,TOGGLE
45-112
5331-00-599-0950INTERCHANGEABLE
O-RING
4820-00-780-8364INTERCHANGEABLE
VALVE,GATE
5955-00-789-8114INTERCHANGEABLE
OSCILLATOR,NONCRYSTAL CONTROLLED
45112

Frequently Asked Questions

What is NSN 4820-00-827-3266?

NSN 4820-00-827-3266 is a Valve,gate, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-827-3266?

NSN 4820-00-827-3266 has 8 cross-referenced part numbers: 431 (Crane Co Div Valve Div), U0226 (Fairbanks Co the), 4511-2 (Kennedy Valve Div of Itt Grinnell Valve Co Inc), 13134 (Scott Valve Mfg Co), 11 (The Walworth Company) and 3 more.

What NSN replaces 4820-00-827-3266?

There are 12 known substitutes for 4820-00-827-3266: 6625-00-034-6372, 5935-00-063-9223, 5330-00-227-1538 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 431?

Key specifications for 431: Special Features: 1.500 IN. PIPE SIZE;R.H. THD IN; Material: COPPER ALLOY BODY; Stem Type: RISING; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-827-3266 still in active supply?

NSN 4820-00-827-3266 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.
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