PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N69529Diaphragm,actuator Valve,special

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-369-3581 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-369-3581 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-369-3581. Primary manufacturer part number: N69529.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Material: STEEL CORROSION RESISTING
  • 11 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 Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-369-3581, 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 11 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-369-3581
Primary Part NumberN69529
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Pressure Rating600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-251-935463669 INTERCHANGEABLE
Packing,preformed
Curtiss-Wright Controls, Inc. Div Actuation Division
1610-00-513-436863669 INTERCHANGEABLE
Gear,worm,synchroni
Hamilton Sundstrand Corporation Dba Collins Aerospace
4710-01-010-209465529 INTERCHANGEABLE
Tube Assembly,metal
Hdt Expeditionary Systems Inc
4820-01-062-5501 INTERCHANGEABLE
Valve,steam Reducing
4820-01-063-594863645 INTERCHANGEABLE
Valve,flow Control
Sarco Inc
4310-01-063-8575B2631 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4310-01-064-7903B2632 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4820-01-064-8021N63674 INTERCHANGEABLE
Spring Cartridge Assembly
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-147-7937N63651 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-178-968363654 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
25654N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N69529 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
301391201 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25460N PIECE 10 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25654N PIECE10 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
63669 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25460N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
69529 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25460N REV J PIECE 10 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25460N SHEET 10F2 PIECE 12332002 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
65529 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5330-00-251-9354INTERCHANGEABLE
PACKING,PREFORMED
63669
1610-00-513-4368INTERCHANGEABLE
GEAR,WORM,SYNCHRONI
63669
4710-01-010-2094INTERCHANGEABLE
TUBE ASSEMBLY,METAL
65529
4820-01-062-5501INTERCHANGEABLE
VALVE,STEAM REDUCING
4820-01-063-5948INTERCHANGEABLE
VALVE,FLOW CONTROL
63645
4310-01-063-8575INTERCHANGEABLE
RING,PISTON
B2631
4310-01-064-7903INTERCHANGEABLE
RING,PISTON
B2632
4820-01-064-8021INTERCHANGEABLE
SPRING CARTRIDGE ASSEMBLY
N63674
4820-01-147-7937INTERCHANGEABLE
PISTON,VALVE
N63651
4820-01-178-9683INTERCHANGEABLE
SEAT,VALVE
63654
6680-01-200-2546INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
65529
4820-01-233-4951INTERCHANGEABLE
LINER,CYLINDER
N63650

Frequently Asked Questions

What is NSN 4820-01-369-3581?

NSN 4820-01-369-3581 is a Diaphragm,actuator Valve,special, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-369-3581?

NSN 4820-01-369-3581 has 11 cross-referenced part numbers: 25654N (Leslie Controls, Inc. Dba Leslie Controls Inc), N69529 (Leslie Controls, Inc. Dba Leslie Controls Inc), 301391201 (Leslie Controls, Inc. Dba Leslie Controls Inc), 25460N PIECE 10 (Leslie Controls, Inc. Dba Leslie Controls Inc), 25654N PIECE10 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 6 more.

What NSN replaces 4820-01-369-3581?

There are 12 known substitutes for 4820-01-369-3581: 5330-00-251-9354, 1610-00-513-4368, 4710-01-010-2094 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N69529?

Key specifications for N69529: Pressure Rating: 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Material: STEEL CORROSION RESISTING; End Item Identification: P/N U301391201, NSN 4820-01-370-5443. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-369-3581 still in active supply?

NSN 4820-01-369-3581 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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