PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

344346-02326Piston,valve

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4820-01-084-1801 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-084-1801 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-084-1801. Primary manufacturer part number: 344346-02326.
Features
  • Piston,valve — FSC 4820
  • Outside Diameter: 1.435 INCHES NOMINAL IN
  • Material: STEEL
  • 5 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-084-1801, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, 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
NSN4820-01-084-1801
Primary Part Number344346-02326
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Outside Diameter1.435 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-057-2462 INTERCHANGEABLE
Packing,preformed
3110-00-155-745507100-07204 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5136-00-228-099654737 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5961-00-372-2911 INTERCHANGEABLE
Transistor
4730-00-374-1723204055 INTERCHANGEABLE
Strainer Element,sediment
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5315-00-402-8858 INTERCHANGEABLE
Pin,spring
6520-00-501-5150 INTERCHANGEABLE
Band,abrasive
6625-00-513-3729112-27 INTERCHANGEABLE
Multimeter
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5999-00-615-6927 INTERCHANGEABLE
Shielding Gasket,electronic
4920-00-830-474711227 INTERCHANGEABLE
Insert,hose
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
344346-02326 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
11227 Rps-Fl, Inc. Dba Rps Inc (USA)
344346-02326 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
14603P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
14603P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5330-00-057-2462INTERCHANGEABLE
PACKING,PREFORMED
3110-00-155-7455INTERCHANGEABLE
BEARING,ROLLER,TAPERED
07100-07204
5136-00-228-0996INTERCHANGEABLE
TAP,THREAD CUTTING
54737
5961-00-372-2911INTERCHANGEABLE
TRANSISTOR
4730-00-374-1723INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
204055
5315-00-402-8858INTERCHANGEABLE
PIN,SPRING
6520-00-501-5150INTERCHANGEABLE
BAND,ABRASIVE
6625-00-513-3729INTERCHANGEABLE
MULTIMETER
112-27
5999-00-615-6927INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
4920-00-830-4747INTERCHANGEABLE
INSERT,HOSE
11227
5815-00-981-0107INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
112-27
3110-01-280-6449INTERCHANGEABLE
RING,BEARING,INNER

Frequently Asked Questions

What is NSN 4820-01-084-1801?

NSN 4820-01-084-1801 is a Piston,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-084-1801?

NSN 4820-01-084-1801 has 5 cross-referenced part numbers: 344346-02326 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 11227 (Rps-Fl, Inc. Dba Rps Inc), 344346-02326 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 14603P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 14603P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 4820-01-084-1801?

There are 12 known substitutes for 4820-01-084-1801: 5330-00-057-2462, 3110-00-155-7455, 5136-00-228-0996 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 344346-02326?

Key specifications for 344346-02326: Outside Diameter: 1.435 INCHES NOMINAL IN; Material: STEEL; Overall Length: 4.000 INCHES NOMINAL IN. 3 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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