PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N14401Piston,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-075-1875 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-075-1875 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-075-1875. Primary manufacturer part number: N14401.
Features
  • Piston,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Valve Type for Which Designed: PRESSURE REDUCING
  • 6 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-075-1875, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN4820-01-075-1875
Primary Part NumberN14401
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Valve Type for Which DesignedPRESSURE REDUCING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5955-00-056-2721 INTERCHANGEABLE
Crystal Assembly
5306-00-461-5331144-01 INTERCHANGEABLE
Bolt
Harbormaster Marine, Inc
5970-00-524-678914401 INTERCHANGEABLE
Insulator,feedthru
Dayton-Granger, Inc.
3030-00-528-4457 INTERCHANGEABLE
Belt,v
4010-00-811-5034 INTERCHANGEABLE
Wire Rope Assembly,single Leg
5905-01-041-2814 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
4820-01-100-0787N32125 INTERCHANGEABLE
Guide,valve Stem
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-100-0788N21000 INTERCHANGEABLE
Deflector Plate,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-100-2232N14403 INTERCHANGEABLE
Cylinder Bottom,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-100-3478N373680058 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
21720N PC20 AND 21 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
14401 AND 34307 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N14401 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21720NPC21 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
21720N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
14401 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5955-00-056-2721INTERCHANGEABLE
CRYSTAL ASSEMBLY
5306-00-461-5331INTERCHANGEABLE
BOLT
144-01
5970-00-524-6789INTERCHANGEABLE
INSULATOR,FEEDTHRU
14401
3030-00-528-4457INTERCHANGEABLE
BELT,V
4010-00-811-5034INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
5905-01-041-2814INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
4820-01-100-0787INTERCHANGEABLE
GUIDE,VALVE STEM
N32125
4820-01-100-0788INTERCHANGEABLE
DEFLECTOR PLATE,VALVE
N21000
4820-01-100-2232INTERCHANGEABLE
CYLINDER BOTTOM,VALVE
N14403
4820-01-100-3478INTERCHANGEABLE
STEM,FLUID VALVE
N373680058
4820-01-114-5947INTERCHANGEABLE
GUIDE,VALVE STEM
N56743
2590-01-185-7949INTERCHANGEABLE
CARRIER ASSEMBLY,WINCH

Frequently Asked Questions

What is NSN 4820-01-075-1875?

NSN 4820-01-075-1875 is a Piston,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-075-1875?

NSN 4820-01-075-1875 has 6 cross-referenced part numbers: 21720N PC20 AND 21 (Leslie Controls, Inc. Dba Leslie Controls Inc), 14401 AND 34307 (Leslie Controls, Inc. Dba Leslie Controls Inc), N14401 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21720NPC21 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21720N (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.

What NSN replaces 4820-01-075-1875?

There are 12 known substitutes for 4820-01-075-1875: 5955-00-056-2721, 5306-00-461-5331, 5970-00-524-6789 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N14401?

Key specifications for N14401: Material: STEEL CORROSION RESISTING; Valve Type for Which Designed: PRESSURE REDUCING. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com