PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T703Valve,plug

Derbyshire Machine & Tool Co · NSN 4820-00-541-3561 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-541-3561 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-541-3561. Primary manufacturer part number: T703.
Features
  • Valve,plug — FSC 4820
  • Valve Operation Method: MANUAL
  • Bolt Hole Nominal Diameter: 0.562 INCHES FIRST END IN
  • Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN
  • Nominal Outside Diameter: 5.062 INCHES FIRST END IN
  • Features Provided: NONADJUSTABLE ROTATION
  • Bolt Hole Quantity: 6 FIRST END
  • Connection Type: FLANGE FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-541-3561, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-541-3561
Primary Part NumberT703
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Machine & Tool Co
StatusACTIVE
Valve Operation MethodMANUAL
Bolt Hole Nominal Diameter0.562 INCHES FIRST END IN
Flow StyleTWO-WAY TWO PORT 90 DEGREE PLUG TURN
Nominal Outside Diameter5.062 INCHES FIRST END IN
Features ProvidedNONADJUSTABLE ROTATION
Bolt Hole Quantity6 FIRST END
Connection TypeFLANGE FIRST END
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Bolt Circle Nominal Diameter3.937 INCHES FIRST END IN
Flange ShapeROUND WITH HOLES FIRST END
Flange Face DesignPLAIN FIRST END
Nondefinitive Spec/std Data150 CLASS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-067-8648101202 INTERCHANGEABLE
Valve,gate
Maxon Corporation
4820-00-202-6615 INTERCHANGEABLE
Valve,plug
5305-00-263-7310T703 INTERCHANGEABLE
Screw,cap,hexagon Head
Caterpillar Inc Div Caterpillar Defense
5305-00-269-3235AES01F375875AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
3120-00-525-8673TB-612 INTERCHANGEABLE
Bearing,washer,thrust
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
MILV16468 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
T703 PRIMARY Derbyshire Machine & Tool Co (USA)
Related Parts
4820-00-067-8648INTERCHANGEABLE
VALVE,GATE
101202
4820-00-202-6615INTERCHANGEABLE
VALVE,PLUG
5305-00-263-7310INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
T703
5305-00-269-3235INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01F375875AW9A91
3120-00-525-8673INTERCHANGEABLE
BEARING,WASHER,THRUST
TB-612

Frequently Asked Questions

What is NSN 4820-00-541-3561?

NSN 4820-00-541-3561 is a Valve,plug, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-541-3561?

NSN 4820-00-541-3561 has 2 cross-referenced part numbers: MILV16468 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), T703 (Derbyshire Machine & Tool Co).

What NSN replaces 4820-00-541-3561?

There are 5 known substitutes for 4820-00-541-3561: 4820-00-067-8648, 4820-00-202-6615, 5305-00-263-7310 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T703?

Key specifications for T703: Valve Operation Method: MANUAL; Bolt Hole Nominal Diameter: 0.562 INCHES FIRST END IN; Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN; Nominal Outside Diameter: 5.062 INCHES FIRST END IN. 13 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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