PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10014-2Piston Cup,valve

Aerco International, Inc. Dba Aerco International Inc · NSN 4820-01-138-1791 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-138-1791 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-138-1791. Primary manufacturer part number: 10014-2.
Features
  • Piston Cup,valve — FSC 4820
  • General Characteristics Item Description: 2.275 IN. OD; 1.385 IN. ID; 0.035 IN. THICK IN
  • 1 verified cross-reference
  • Primary manufacturer: Aerco International, Inc. Dba Aerco International Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston Cup,valve, cataloged under National Stock Number 4820-01-138-1791, 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 1 verified specification, 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-138-1791
Primary Part Number10014-2
Item NamePiston Cup,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerco International, Inc. Dba Aerco International Inc
StatusACTIVE
General Characteristics Item Description2.275 IN. OD; 1.385 IN. ID; 0.035 IN. THICK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-104-9651PL40-2 INTERCHANGEABLE
Connector,plug,electrical
Trompeter Electronics, Inc.
4320-00-147-1722935251-2PH INTERCHANGEABLE
Impeller,pump,centrifugal
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5430-00-653-3787100142 INTERCHANGEABLE
Cap,vent,fuel Storage Tank
Metadure Parts & Sales, Inc.
6130-00-850-5066100142 INTERCHANGEABLE
Power Supply
Mission Systems Davenport Inc.
3120-01-415-2688100142 INTERCHANGEABLE
Bearing,washer,thrust
American Metal Bearing Co Dba Amb Engineering & Machining Solutions
4810-01-419-050010014-2 INTERCHANGEABLE
Valve,butterfly
Morpac Industries, Inc Div Actuator
5315-01-708-7353100142 INTERCHANGEABLE
Key,machine
Mcnally Industries, Llc
Cross-Reference Index
Part NumberManufacturer
10014-2 PRIMARY Aerco International, Inc. Dba Aerco International Inc (USA)
Related Parts
5935-00-104-9651INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
PL40-2
4320-00-147-1722INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
935251-2PH
5430-00-653-3787INTERCHANGEABLE
CAP,VENT,FUEL STORAGE TANK
100142
6130-00-850-5066INTERCHANGEABLE
POWER SUPPLY
100142
3120-01-415-2688INTERCHANGEABLE
BEARING,WASHER,THRUST
100142
4810-01-419-0500INTERCHANGEABLE
VALVE,BUTTERFLY
10014-2
5315-01-708-7353INTERCHANGEABLE
KEY,MACHINE
100142

Frequently Asked Questions

What is NSN 4820-01-138-1791?

NSN 4820-01-138-1791 is a Piston Cup,valve, 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 4820-01-138-1791?

NSN 4820-01-138-1791 has 1 cross-referenced part number: 10014-2 (Aerco International, Inc. Dba Aerco International Inc).

What NSN replaces 4820-01-138-1791?

There are 7 known substitutes for 4820-01-138-1791: 5935-00-104-9651, 4320-00-147-1722, 5430-00-653-3787 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10014-2?

Key specifications for 10014-2: General Characteristics Item Description: 2.275 IN. OD; 1.385 IN. ID; 0.035 IN. THICK IN. 1 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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