PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C3658 ITEM 14 1/2IN.Piston,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-240-8544 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-240-8544 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-240-8544. Primary manufacturer part number: C3658 ITEM 14 1/2IN..
Features
  • Piston,valve — FSC 4820
  • Valve Design Control Activity: 05163
  • Material: COPPER ALLOY
  • 2 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 Copper Alloy construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-240-8544, 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 2 commercial cross-references 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
NSN4820-01-240-8544
Primary Part NumberC3658 ITEM 14 1/2IN.
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Design Control Activity05163
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6105-00-116-1249HS25M INTERCHANGEABLE
Motor,stepping
Superior Electric Holding Group Llc Div Specialty Product Technologies
5360-00-191-49611001-02 INTERCHANGEABLE
Spring,special
Jex Mfg
5910-00-240-6759 INTERCHANGEABLE
Capacitor,variable,glass Dielect
5340-00-572-4755100102 INTERCHANGEABLE
Plug,fusible
Metadure Parts & Sales, Inc.
1615-00-682-2328100102 INTERCHANGEABLE
Filter Assembly,tra
Michigan Dynamics Inc
4320-01-148-2785200-6-12-900S-SP2 INTERCHANGEABLE
Pump,rotary
Bird-Johnson Propeller Company, Llc
5962-01-266-0456100-102 INTERCHANGEABLE
Microcircuit,linear
L-3 Communications Microdyne
4820-01-302-62691001.02 INTERCHANGEABLE
Valve,gate
Hunt Valve Company, Inc.
3030-01-436-5207100102 INTERCHANGEABLE
Belts,v,matched Set
American Dryer Corp
4810-01-439-602110010-2 INTERCHANGEABLE
Valve,butterfly
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
10010-2 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3658 ITEM 14 1/2IN. PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6105-00-116-1249INTERCHANGEABLE
MOTOR,STEPPING
HS25M
5360-00-191-4961INTERCHANGEABLE
SPRING,SPECIAL
1001-02
5910-00-240-6759INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
5340-00-572-4755INTERCHANGEABLE
PLUG,FUSIBLE
100102
1615-00-682-2328INTERCHANGEABLE
FILTER ASSEMBLY,TRA
100102
4320-01-148-2785INTERCHANGEABLE
PUMP,ROTARY
200-6-12-900S-SP2
5962-01-266-0456INTERCHANGEABLE
MICROCIRCUIT,LINEAR
100-102
4820-01-302-6269INTERCHANGEABLE
VALVE,GATE
1001.02
3030-01-436-5207INTERCHANGEABLE
BELTS,V,MATCHED SET
100102
4810-01-439-6021INTERCHANGEABLE
VALVE,BUTTERFLY
10010-2
8125-01-497-2390INTERCHANGEABLE
CAP,SCREW,BOTTLE AND JAR
100102

Frequently Asked Questions

What is NSN 4820-01-240-8544?

NSN 4820-01-240-8544 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 4820-01-240-8544?

NSN 4820-01-240-8544 has 2 cross-referenced part numbers: 10010-2 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3658 ITEM 14 1/2IN. (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-240-8544?

There are 11 known substitutes for 4820-01-240-8544: 6105-00-116-1249, 5360-00-191-4961, 5910-00-240-6759 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C3658 ITEM 14 1/2IN.?

Key specifications for C3658 ITEM 14 1/2IN.: Valve Design Control Activity: 05163; Material: COPPER ALLOY. 2 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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