PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31150Diaphragm,actuator Valve,special

Wilshire Corp · NSN 4820-01-206-2091 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-206-2091 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-206-2091. Primary manufacturer part number: 31150.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Center Hole Diameter: 1.250 INCHES NOMINAL IN
  • Radius: 0.063 INCHES NOMINAL IN
  • Hole Diameter: 0.438 INCHES NOMINAL IN
  • Material: RUBBER
  • Material Thickness: 0.063 INCHES NOMINAL IN
  • Center to Center Distance Between Bolt Holes Along Width: 13.125 INCHES NOMINAL IN
  • Style Designator: SPECIAL SHAPED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-206-2091, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Wilshire Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-206-2091
Primary Part Number31150
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilshire Corp
StatusACTIVE
Center Hole Diameter1.250 INCHES NOMINAL IN
Radius0.063 INCHES NOMINAL IN
Hole Diameter0.438 INCHES NOMINAL IN
MaterialRUBBER
Material Thickness0.063 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width13.125 INCHES NOMINAL IN
Style DesignatorSPECIAL SHAPED
Center to Center Distance Between Bolt Holes Along Length13.125 INCHES NOMINAL IN
Bolt Hole Quantity5
Outside Corner Radius0.500 INCHES NOMINAL IN
Pressure Rating3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5935-00-061-4641357-9607-000 INTERCHANGEABLE
Connector,receptacle,electrical
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5130-00-337-9125490 INTERCHANGEABLE
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Apex Tool Group, Llc
5315-00-389-864331150 INTERCHANGEABLE
Pin,disc Assembly
Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture
5330-00-599-0947 INTERCHANGEABLE
Gasket
5330-00-794-72656315 INTERCHANGEABLE
Gasket
Pdi Ground Support Systems, Inc.
5975-00-878-48738521 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
1680-01-086-805131150 INTERCHANGEABLE
Telescopic End Assembly
Transdigm Inc
4320-01-131-963231150 INTERCHANGEABLE
Plunger Pump
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5998-01-195-41395489 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
6230-01-506-938731-1-50 INTERCHANGEABLE
Kit,relamping
Jameson Llc
Cross-Reference Index
Part NumberManufacturer
31150 PRIMARY Wilshire Corp (USA)
Related Parts
5935-00-061-4641INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
357-9607-000
5130-00-337-9125INTERCHANGEABLE
HOLDER,SCREWDRIVER BIT
490
5315-00-389-8643INTERCHANGEABLE
PIN,DISC ASSEMBLY
31150
5330-00-599-0947INTERCHANGEABLE
GASKET
5330-00-794-7265INTERCHANGEABLE
GASKET
6315
5975-00-878-4873INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8521
1680-01-086-8051INTERCHANGEABLE
TELESCOPIC END ASSEMBLY
31150
4320-01-131-9632INTERCHANGEABLE
PLUNGER PUMP
31150
5998-01-195-4139INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5489
6230-01-506-9387INTERCHANGEABLE
KIT,RELAMPING
31-1-50
3950-01-612-9450INTERCHANGEABLE
TENSIONER PULLEY ASSEMBLY

Frequently Asked Questions

What is NSN 4820-01-206-2091?

NSN 4820-01-206-2091 is a Diaphragm,actuator Valve,special, manufactured by Wilshire Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-206-2091?

NSN 4820-01-206-2091 has 1 cross-referenced part number: 31150 (Wilshire Corp).

What NSN replaces 4820-01-206-2091?

There are 11 known substitutes for 4820-01-206-2091: 5935-00-061-4641, 5130-00-337-9125, 5315-00-389-8643 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31150?

Key specifications for 31150: Center Hole Diameter: 1.250 INCHES NOMINAL IN; Radius: 0.063 INCHES NOMINAL IN; Hole Diameter: 0.438 INCHES NOMINAL IN; Material: RUBBER. 14 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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