PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30 2 1/2IN50T100PSI N-510Valve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-142-9667 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-142-9667 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-142-9667. Primary manufacturer part number: 30 2 1/2IN50T100PSI N-510.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • First End Bolt Hole Diameter: 0.562 INCHES NOMINAL IN
  • First End Flange Shape Style: ROUND W/ BOLT HOLES
  • Flow Control Device: DISK, DUAL, TOP GUIDED
  • Second End Relationship with First End: IDENTICAL
  • First End Flange Thickness: 0.500 INCHES NOMINAL IN
  • First End Connection Type: PLAIN FACE FLANGE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Flow Control Device construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-142-9667, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-142-9667
Primary Part Number30 2 1/2IN50T100PSI N-510
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Media for Which DesignedHYDROCARBON FUELS AND OILS
First End Bolt Hole Diameter0.562 INCHES NOMINAL IN
First End Flange Shape StyleROUND W/ BOLT HOLES
Flow Control DeviceDISK, DUAL, TOP GUIDED
Second End Relationship with First EndIDENTICAL
First End Flange Thickness0.500 INCHES NOMINAL IN
First End Connection TypePLAIN FACE FLANGE
Face to Face Distance10.937 INCHES NOMINAL IN
Body StyleSTRAIGHT THRU
First End Flange Outside Diameter6.125 INCHES NOMINAL IN
First End Bolt Circle Diameter5.000 INCHES NOMINAL IN
First End Style DesignatorPLAIN
First End Bolt Hole Quantity6
Material Document and ClassificationQQ-N-288, COMP B FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Outlet Pressure Range50.0 TO 100.0 CAMERA MOUNT
End Connection Quantity2
Regulation TypeAUTOMATIC DOUBLE STAGE
MaterialCOPPER ALLOY BODY
FilterNOT INCLUDED
Valve Loading MethodSPRING
Valve Stem DesignDOUBLE SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-260-8288SAE J513 8 010112B INTERCHANGEABLE
Cap,tube
Sae International Dba Sae International
4730-00-490-9001 INTERCHANGEABLE
Cap,tube
5950-00-546-3625W4642 INTERCHANGEABLE
Transformer,power
Magnetika Inc
3610-01-311-1991N-5/10 INTERCHANGEABLE
Spring
De La Rue Giori S.a.
4820-01-422-2849B229701-44 AND B229722-42 INTERCHANGEABLE
Liner,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4720-01-601-4072 INTERCHANGEABLE
Tubing,nonmetallic
Cross-Reference Index
Part NumberManufacturer
N-510 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30 2 1/2IN50T10 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30 2 1/2IN50T100PSI N-510 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-510 30 2 1/2IN 50T100PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4730-00-260-8288INTERCHANGEABLE
CAP,TUBE
SAE J513 8 010112B
4730-00-490-9001INTERCHANGEABLE
CAP,TUBE
5950-00-546-3625INTERCHANGEABLE
TRANSFORMER,POWER
W4642
3610-01-311-1991INTERCHANGEABLE
SPRING
N-5/10
4820-01-422-2849INTERCHANGEABLE
LINER,VALVE
B229701-44 AND B229722-42
4720-01-601-4072INTERCHANGEABLE
TUBING,NONMETALLIC

Frequently Asked Questions

What is NSN 4820-01-142-9667?

NSN 4820-01-142-9667 is a Valve,regulating,fluid Pressure, 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 4820-01-142-9667?

NSN 4820-01-142-9667 has 4 cross-referenced part numbers: N-510 (Leslie Controls, Inc. Dba Leslie Controls Inc), 30 2 1/2IN50T10 (Leslie Controls, Inc. Dba Leslie Controls Inc), 30 2 1/2IN50T100PSI N-510 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-510 30 2 1/2IN 50T100PSI (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-142-9667?

There are 6 known substitutes for 4820-01-142-9667: 4730-00-260-8288, 4730-00-490-9001, 5950-00-546-3625 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30 2 1/2IN50T100PSI N-510?

Key specifications for 30 2 1/2IN50T100PSI N-510: Media for Which Designed: HYDROCARBON FUELS AND OILS; First End Bolt Hole Diameter: 0.562 INCHES NOMINAL IN; First End Flange Shape Style: ROUND W/ BOLT HOLES; Flow Control Device: DISK, DUAL, TOP GUIDED. 22 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