PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4U4112Valve,plug

Woodward Hrt, Inc. Dba Woodward Hrt Inc · NSN 4820-00-830-7977 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-830-7977 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-830-7977. Primary manufacturer part number: 4U4112.
Features
  • Valve,plug — FSC 4820
  • Material: ALUMINUM ALLOY BODY
  • Flow Style: THREE-WAY THREE PORT 90 DEGREE PLUG TURN
  • Valve Operation Method: MANUAL
  • Mounting Facility: THREADED FASTENER
  • Thread Direction: RIGHT-HAND FIRST END
  • Material: ALUMINUM ALLOY SEAT
  • Surface Treatment: ANODIZE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-830-7977, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Woodward Hrt, Inc. Dba Woodward Hrt Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-830-7977
Primary Part Number4U4112
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWoodward Hrt, Inc. Dba Woodward Hrt Inc
StatusCANCELLED
MaterialALUMINUM ALLOY BODY
Flow StyleTHREE-WAY THREE PORT 90 DEGREE PLUG TURN
Valve Operation MethodMANUAL
Mounting FacilityTHREADED FASTENER
Thread DirectionRIGHT-HAND FIRST END
MaterialALUMINUM ALLOY SEAT
Surface TreatmentANODIZE
Nominal Pipe Size Accommodated0.375 INCHES FIRST END IN
Seat Angle45.0 DEGREES FIRST END
Connection TypeTHREADED INTERNAL BOSS FIRST END
Connection StyleGASKET SEAL(BOSS) FIRST END
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
MaterialSTEEL CORROSION RESISTING STEM
Nominal Thread Size0.562 INCHES FIRST END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
Maximum Operating Temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5305-00-010-1026101026 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
3110-00-100-0329572 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
6685-00-427-758735 1009 AW 02L 0/600# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
5930-00-482-980810-1026-1 INTERCHANGEABLE
Switch,slide
Smyth Aerospace Manufacturing Ltd
3110-00-618-9807K101026-11 INTERCHANGEABLE
Bearing,roller,rod End
Kaman Aerospace Corporation Dba Air Vehicles & Mro Division
3040-00-838-7108 INTERCHANGEABLE
Lever,remote Control
5999-00-914-5252 INTERCHANGEABLE
Shielding Gasket,electronic
5355-01-040-0980101026 INTERCHANGEABLE
Knob
Magnespec Inc
5355-01-471-8347101026 INTERCHANGEABLE
Knob
Bourns Inc
6150-01-567-1144101-026 INTERCHANGEABLE
Cable Assembly,power,electrical
Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc
Cross-Reference Index
Part NumberManufacturer
4U4112 PRIMARY Woodward Hrt, Inc. Dba Woodward Hrt Inc (USA)
10-1026-1 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
10-1026 PRIMARY Parker Hannifin Corporation Div Hydraulic Systems Division (USA)
10-1026 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
10900445 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
695872-1 Lockheed Martin Corp (USA)
10-1026-1 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
5C5819 PRIMARY Tactair Fluid Controls Inc (USA)
10-1026 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
4820008307977 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
5305-00-010-1026INTERCHANGEABLE
SCREW,MACHINE
101026
3110-00-100-0329INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
572
6685-00-427-7587INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35 1009 AW 02L 0/600#
5930-00-482-9808INTERCHANGEABLE
SWITCH,SLIDE
10-1026-1
3110-00-618-9807INTERCHANGEABLE
BEARING,ROLLER,ROD END
K101026-11
3040-00-838-7108INTERCHANGEABLE
LEVER,REMOTE CONTROL
5999-00-914-5252INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
5355-01-040-0980INTERCHANGEABLE
KNOB
101026
5355-01-471-8347INTERCHANGEABLE
KNOB
101026
6150-01-567-1144INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
101-026
2990-01-684-2506INTERCHANGEABLE
CONNECTOR,EXHAUST PIPE
1010261

Frequently Asked Questions

What is NSN 4820-00-830-7977?

NSN 4820-00-830-7977 is a Valve,plug, manufactured by Woodward Hrt, Inc. Dba Woodward Hrt Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-830-7977?

NSN 4820-00-830-7977 has 10 cross-referenced part numbers: 4U4112 (Woodward Hrt, Inc. Dba Woodward Hrt Inc), 10-1026-1 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 10-1026 (Parker Hannifin Corporation Div Hydraulic Systems Division), 10-1026 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), 10900445 (U S Army Tank Automotive Command Amsta-Im-Mm) and 5 more.

What NSN replaces 4820-00-830-7977?

There are 11 known substitutes for 4820-00-830-7977: 5305-00-010-1026, 3110-00-100-0329, 6685-00-427-7587 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4U4112?

Key specifications for 4U4112: Material: ALUMINUM ALLOY BODY; Flow Style: THREE-WAY THREE PORT 90 DEGREE PLUG TURN; Valve Operation Method: MANUAL; Mounting Facility: THREADED FASTENER. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-830-7977 still in active supply?

NSN 4820-00-830-7977 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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