PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N10686Piston,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-036-1516 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1516 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1516. Primary manufacturer part number: N10686.
Features
  • Piston,valve — FSC 4820
  • Valve Size for Which Designed: 0.500 INCHES IN
  • Valve Design Control Activity: 35795
  • Outside Diameter: 0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
  • Inside Diameter: 0.429 INCHES NOMINAL IN
  • Valve Type for Which Designed: PRESSURE REDUCING
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-00-036-1516, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN4820-00-036-1516
Primary Part NumberN10686
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Size for Which Designed0.500 INCHES IN
Valve Design Control Activity35795
Outside Diameter0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN
Inside Diameter0.429 INCHES NOMINAL IN
Valve Type for Which DesignedPRESSURE REDUCING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1517N59921 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-036-1523N10737 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-036-1552N09442 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-036-1634N09439 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-217-2772N11124 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4320-00-302-1986158P INTERCHANGEABLE
Cylinder Sleeve
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4310-00-306-1319N11122 INTERCHANGEABLE
Cylinder Sleeve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-403-5640N11190 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4030-00-511-888310686 INTERCHANGEABLE
Clamp,wire Rope,bolted
Naval Ship Systems Command
5330-00-720-2879 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
10686 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
17389N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N10686 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
10686 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-00-036-1517INTERCHANGEABLE
PISTON,VALVE
N59921
4820-00-036-1523INTERCHANGEABLE
PISTON,VALVE
N10737
4820-00-036-1552INTERCHANGEABLE
PISTON,VALVE
N09442
4820-00-036-1634INTERCHANGEABLE
PISTON,VALVE
N09439
4820-00-217-2772INTERCHANGEABLE
DISK,VALVE
N11124
4320-00-302-1986INTERCHANGEABLE
CYLINDER SLEEVE
158P
4310-00-306-1319INTERCHANGEABLE
CYLINDER SLEEVE
N11122
4820-00-403-5640INTERCHANGEABLE
DISK,VALVE
N11190
4030-00-511-8883INTERCHANGEABLE
CLAMP,WIRE ROPE,BOLTED
10686
5330-00-720-2879INTERCHANGEABLE
GASKET
4920-00-842-7166INTERCHANGEABLE
SWITCH WIRING ASSY
106-86
4940-01-117-9097INTERCHANGEABLE
CAP
10686

Frequently Asked Questions

What is NSN 4820-00-036-1516?

NSN 4820-00-036-1516 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 4820-00-036-1516?

NSN 4820-00-036-1516 has 4 cross-referenced part numbers: 10686 (Lineta Engineering Und Handelsgesell-Schaft Mbh), 17389N (Leslie Controls, Inc. Dba Leslie Controls Inc), N10686 (Leslie Controls, Inc. Dba Leslie Controls Inc), 10686 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-036-1516?

There are 12 known substitutes for 4820-00-036-1516: 4820-00-036-1517, 4820-00-036-1523, 4820-00-036-1552 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N10686?

Key specifications for N10686: Valve Size for Which Designed: 0.500 INCHES IN; Valve Design Control Activity: 35795; Outside Diameter: 0.785 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN; Inside Diameter: 0.429 INCHES NOMINAL IN. 7 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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