PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P52605Valve,regulating,fluid Pressure

Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp · NSN 4820-00-419-8982 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-419-8982 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-419-8982. Primary manufacturer part number: P52605.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Filter: NOT INCLUDED
  • First End Thread Direction: RIGHT-HAND
  • Valve Loading Method: SPRING
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • First End Style Designator: PLAIN
  • First End Connection Type: THREADED INTERNAL PIPE
  • Body Style: STRAIGHT THRU
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-419-8982, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-419-8982
Primary Part NumberP52605
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
StatusCANCELLED
FilterNOT INCLUDED
First End Thread DirectionRIGHT-HAND
Valve Loading MethodSPRING
Thread Size and Series/type Designator1/4-18 NPT FIRST END
First End Style DesignatorPLAIN
First End Connection TypeTHREADED INTERNAL PIPE
Body StyleSTRAIGHT THRU
Media for Which DesignedAIR
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
Renewable Seat Ring TypeANY ACCEPTABLE
MaterialALUMINUM ALLOY BODY
Mounting FacilityFLANGE
Flow Control DeviceDIAPHRAGM
Regulation TypeAUTOMATIC SINGLE STAGE
Maximum Inlet Pressure RatingERR-060
Temp Rating-65.0 FAHRENHEIT MINIMUM AND 125.0 FAHRENHEIT MAXIMUM DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-155-6297 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
P52605-0030 Pfizer Inc Minerals Pigments and Metals Div (USA)
511623 Fwd Seagrave Holdings Lp (USA)
347C662H04 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
P52605-8 Bosch Rexroth Corporation Div Bosch Rexroth (USA)
P52605 PRIMARY Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
347C662H04 Westinghouse Electric Corp (USA)
476 1-2 Lunkenheimer Co (USA)
Related Parts
3110-00-155-6297INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 4820-00-419-8982?

NSN 4820-00-419-8982 is a Valve,regulating,fluid Pressure, manufactured by Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-419-8982?

NSN 4820-00-419-8982 has 7 cross-referenced part numbers: P52605-0030 (Pfizer Inc Minerals Pigments and Metals Div), 511623 (Fwd Seagrave Holdings Lp), 347C662H04 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), P52605-8 (Bosch Rexroth Corporation Div Bosch Rexroth), P52605 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp) and 2 more.

What NSN replaces 4820-00-419-8982?

There is 1 known substitute for 4820-00-419-8982: 3110-00-155-6297. Verify interchangeability with system specifications before substitution.

What are the specifications of P52605?

Key specifications for P52605: Filter: NOT INCLUDED; First End Thread Direction: RIGHT-HAND; Valve Loading Method: SPRING; Thread Size and Series/type Designator: 1/4-18 NPT FIRST END. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-419-8982 still in active supply?

NSN 4820-00-419-8982 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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