PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21019PC15A PART 11071Diaphragm,actuator Valve,special

Aerco International, Inc. Dba Aerco International Inc · NSN 4820-01-162-7146 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-162-7146 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-162-7146. Primary manufacturer part number: 21019PC15A PART 11071.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Bolt Circle Diameter: 11.875 INCHES NOMINAL IN
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Hole Diameter: 0.405 INCHES NOMINAL IN
  • Bolt Hole Quantity: 12
  • Outside Diameter: 12.812 INCHES NOMINAL IN
  • Taper Major Diameter: 10.750 INCHES NOMINAL IN
  • Material Thickness: 0.075 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-162-7146, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerco International, Inc. Dba Aerco International Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-162-7146
Primary Part Number21019PC15A PART 11071
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
Bolt Circle Diameter11.875 INCHES NOMINAL IN
MaterialRUBBER CHLOROPRENE CLASS CR
Hole Diameter0.405 INCHES NOMINAL IN
Bolt Hole Quantity12
Outside Diameter12.812 INCHES NOMINAL IN
Taper Major Diameter10.750 INCHES NOMINAL IN
Material Thickness0.075 INCHES NOMINAL IN
Style DesignatorSPECIAL SHAPED
Taper Minor Diameter8.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-079-038121-019 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
4920-00-091-6834 INTERCHANGEABLE
Adapter,spline Driving
3930-00-134-9353 INTERCHANGEABLE
Brake Assembly,ser
5945-00-199-567821-019 INTERCHANGEABLE
Relay,electromagnetic
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5310-00-252-0210110-71 INTERCHANGEABLE
Nut,ram Locking
Columbus Jack Corporation Div Columbus Jack
1680-00-441-5434 INTERCHANGEABLE
Parts Kit,cylinder
6625-00-449-8565SC-243-1 INTERCHANGEABLE
Converter,signal Data
Data Device Corp Dba Beta Transformer Technology
6635-00-456-2920 INTERCHANGEABLE
Speed Converter
5998-00-539-1501 INTERCHANGEABLE
Circuit Card Assembly
5975-00-710-08761947 INTERCHANGEABLE
Chase Nipple,conduit
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
11071 Aerco International, Inc. Dba Aerco International Inc (USA)
21019 Aerco International, Inc. Dba Aerco International Inc (USA)
21019PC15A PART 11071 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
5945-00-079-0381INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-019
4920-00-091-6834INTERCHANGEABLE
ADAPTER,SPLINE DRIVING
3930-00-134-9353INTERCHANGEABLE
BRAKE ASSEMBLY,SER
5945-00-199-5678INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-019
5310-00-252-0210INTERCHANGEABLE
NUT,RAM LOCKING
110-71
1680-00-441-5434INTERCHANGEABLE
PARTS KIT,CYLINDER
6625-00-449-8565INTERCHANGEABLE
CONVERTER,SIGNAL DATA
SC-243-1
6635-00-456-2920INTERCHANGEABLE
SPEED CONVERTER
5998-00-539-1501INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5975-00-710-0876INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
1947
4820-00-752-8871INTERCHANGEABLE
VALVE,CHECK
5905-00-770-9440INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-19

Frequently Asked Questions

What is NSN 4820-01-162-7146?

NSN 4820-01-162-7146 is a Diaphragm,actuator Valve,special, manufactured by Aerco International, Inc. Dba Aerco International Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-162-7146?

NSN 4820-01-162-7146 has 3 cross-referenced part numbers: 11071 (Aerco International, Inc. Dba Aerco International Inc), 21019 (Aerco International, Inc. Dba Aerco International Inc), 21019PC15A PART 11071 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4820-01-162-7146?

There are 12 known substitutes for 4820-01-162-7146: 5945-00-079-0381, 4920-00-091-6834, 3930-00-134-9353 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21019PC15A PART 11071?

Key specifications for 21019PC15A PART 11071: Bolt Circle Diameter: 11.875 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR; Hole Diameter: 0.405 INCHES NOMINAL IN; Bolt Hole Quantity: 12. 10 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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