PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-522 X N-530 40T70PSIValve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-151-8969 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-151-8969 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-151-8969. Primary manufacturer part number: N-522 X N-530 40T70PSI.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: NICKEL ALLOY STEM
  • Body Style: STRAIGHT THRU
  • Material Document and Classification: UNABLE TO DECODE
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
  • Outlet Pressure Range: 40.0 TO 70.0 CAMERA MOUNT
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Valve Loading Method: SPRING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-151-8969, 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 17 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-151-8969
Primary Part NumberN-522 X N-530 40T70PSI
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
MaterialNICKEL ALLOY STEM
Body StyleSTRAIGHT THRU
Material Document and ClassificationUNABLE TO DECODE
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Outlet Pressure Range40.0 TO 70.0 CAMERA MOUNT
Media for Which DesignedHYDROCARBON FUELS AND OILS
Valve Loading MethodSPRING
MaterialNICKEL ALLOY AND COPPER ALLOY SEAT
End Connection Quantity2
First End Thread DirectionRIGHT-HAND
Flow Control DeviceDISK
First End Nominal Pipe Size Accommodated0.250 INCHES IN
Second End Relationship with First EndIDENTICAL
First End Connection TypeUNTHREADED INTERNAL PIPE
FilterNOT INCLUDED
First End Style DesignatorSOCKET W/BRAZING RING
Regulation TypeAUTOMATIC SINGLE STAGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5360-00-291-1203A1254 INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5935-00-636-62432C7 INTERCHANGEABLE
Socket,plug-in Electronic Compon
L3harris Interstate Electronics Corporation
4820-01-109-6152N-522XN-654 60T100PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-237-283030 90T150PSI N-522 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-397-5366NB22248727 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-398-1416NB23028823 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-407-2964YB2318A221 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-424-2682YB2311A223 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-471-6210 INTERCHANGEABLE
Valve,regulating,fluid Pressure
6695-01-675-0314N612 INTERCHANGEABLE
Calibration Set,primary Referenc
Copper Mountain Technologies
Cross-Reference Index
Part NumberManufacturer
30-1/4IN-40T70PSI SBU Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-522 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N522 X N612 .25IPS 40T70 SBU Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-522 X N-530 40T70PSI PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-612 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2311A224 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5360-00-291-1203INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A1254
5935-00-636-6243INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2C7
4820-01-109-6152INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
N-522XN-654 60T100PSI
4820-01-237-2830INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30 90T150PSI N-522
4820-01-397-5366INTERCHANGEABLE
RETAINER,DISK,VALVE
NB22248727
4820-01-398-1416INTERCHANGEABLE
CAP,VALVE
NB23028823
4820-01-407-2964INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2318A221
4820-01-424-2682INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2311A223
4820-01-471-6210INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6695-01-675-0314INTERCHANGEABLE
CALIBRATION SET,PRIMARY REFERENC
N612

Frequently Asked Questions

What is NSN 4820-01-151-8969?

NSN 4820-01-151-8969 is a Valve,regulating,fluid Pressure, 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 4820-01-151-8969?

NSN 4820-01-151-8969 has 6 cross-referenced part numbers: 30-1/4IN-40T70PSI SBU (Leslie Controls, Inc. Dba Leslie Controls Inc), N-522 (Leslie Controls, Inc. Dba Leslie Controls Inc), N522 X N612 .25IPS 40T70 SBU (Leslie Controls, Inc. Dba Leslie Controls Inc), N-522 X N-530 40T70PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), N-612 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.

What NSN replaces 4820-01-151-8969?

There are 10 known substitutes for 4820-01-151-8969: 5360-00-291-1203, 5935-00-636-6243, 4820-01-109-6152 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N-522 X N-530 40T70PSI?

Key specifications for N-522 X N-530 40T70PSI: Material: NICKEL ALLOY STEM; Body Style: STRAIGHT THRU; Material Document and Classification: UNABLE TO DECODE; Material: NICKEL ALLOY FLOW CONTROL DEVICE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-151-8969 still in active supply?

NSN 4820-01-151-8969 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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