PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HPC146100Valve,check

Teledyne Hydra-Power Div of Teledyne Inc · NSN 4820-00-529-3639 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-529-3639 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-529-3639. Primary manufacturer part number: HPC146100.
Features
  • Valve,check — FSC 4820
  • Thread Series Designator: UNF FIRST END
  • Style Designator: STRAIGHT THRU
  • Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Connection Style: FLARED (TUBE) FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-529-3639, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Teledyne Hydra-Power Div of Teledyne Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-529-3639
Primary Part NumberHPC146100
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTeledyne Hydra-Power Div of Teledyne Inc
StatusCANCELLED
Thread Series DesignatorUNF FIRST END
Style DesignatorSTRAIGHT THRU
Media for Which DesignedHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Mounting PositionHORIZONTAL OR VERTICAL
Connection StyleFLARED (TUBE) FIRST END
Thread Class3A FIRST END A
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Flow Control DeviceCONE
Thread Quantity Per Inch14 FIRST END
Disk Loading MethodSPRING
Thread DirectionRIGHT-HAND FIRST END
Nominal Thread Size0.875 INCHES FIRST END IN
Nondefinitive Spec/std DataA STYLE AND 3000 CLASS
Seat Angle37.0 DEGREES FIRST END
Test Data Document81349-MIL-V-5524 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5310-00-637-211212376 INTERCHANGEABLE
Washer,flat
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5975-01-561-7951123476 INTERCHANGEABLE
Panel,electrical-Electronic Equi
Dh Instruments Inc.
Cross-Reference Index
Part NumberManufacturer
HPC146100 Teledyne Hydra-Power Div of Teledyne Inc (USA)
12347-6 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
AN6249-10 Aeronautical Standards Group Dept of Navy and Air Force (USA)
12-347-6 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
12-347-6 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
BC6249-10 Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation (USA)
S2230566-10 The Boeing Company (USA)
MIL-V-5524 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CVC4121-10 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
S2230566-10 The Boeing Company (USA)
HPC146100 Tactair Fluid Controls Inc (USA)
K1249-10 Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
5310-00-637-2112INTERCHANGEABLE
WASHER,FLAT
12376
5975-01-561-7951INTERCHANGEABLE
PANEL,ELECTRICAL-ELECTRONIC EQUI
123476

Frequently Asked Questions

What is NSN 4820-00-529-3639?

NSN 4820-00-529-3639 is a Valve,check, manufactured by Teledyne Hydra-Power Div of Teledyne Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-529-3639?

NSN 4820-00-529-3639 has 12 cross-referenced part numbers: HPC146100 (Teledyne Hydra-Power Div of Teledyne Inc), 12347-6 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), AN6249-10 (Aeronautical Standards Group Dept of Navy and Air Force), 12-347-6 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 12-347-6 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters) and 7 more.

What NSN replaces 4820-00-529-3639?

There are 2 known substitutes for 4820-00-529-3639: 5310-00-637-2112, 5975-01-561-7951. Verify interchangeability with system specifications before substitution.

What are the specifications of HPC146100?

Key specifications for HPC146100: Thread Series Designator: UNF FIRST END; Style Designator: STRAIGHT THRU; Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-529-3639 still in active supply?

NSN 4820-00-529-3639 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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