PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7501-4AFValve,ball

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 4820-00-097-0311 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-097-0311 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-097-0311. Primary manufacturer part number: 7501-4AF.
Features
  • Valve,ball — FSC 4820
  • Seat Angle: 37.0 DEGREES ALL ENDS
  • Surface Treatment: ANODIZE
  • Nominal Thread Size: 0.438 INCHES ALL ENDS IN
  • Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Valve Operation Method: MANUAL
  • Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Thread Class: 3A ALL ENDS A
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-00-097-0311, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-097-0311
Primary Part Number7501-4AF
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusCANCELLED
Seat Angle37.0 DEGREES ALL ENDS
Surface TreatmentANODIZE
Nominal Thread Size0.438 INCHES ALL ENDS IN
Operating Pressure60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Operation MethodMANUAL
Maximum Operating Temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class3A ALL ENDS A
Thread DirectionRIGHT-HAND ALL ENDS
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Style DesignatorSTRAIGHT THRU
MaterialALUMINUM BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-01-047-415475011 INTERCHANGEABLE
Seal Assembly
Magnetic Seal Llc
5310-01-174-2539 INTERCHANGEABLE
Washer
3120-01-184-7762 INTERCHANGEABLE
Bushing,sleeve
5910-01-258-3497 INTERCHANGEABLE
Capacitor Assembly
5930-01-351-064975011 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
5930-01-508-8363520-12950-1 INTERCHANGEABLE
Switch,liquid Level
The Boeing Company Div Legacy Wichita
Cross-Reference Index
Part NumberManufacturer
7501-4AF PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
26701-2 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
49F9798-31 Department of the Air Force (USA)
7501-1 Sikes Co Div of Milwaukee Chair Co (USA)
7501-1 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
5330-01-047-4154INTERCHANGEABLE
SEAL ASSEMBLY
75011
5310-01-174-2539INTERCHANGEABLE
WASHER
3120-01-184-7762INTERCHANGEABLE
BUSHING,SLEEVE
5910-01-258-3497INTERCHANGEABLE
CAPACITOR ASSEMBLY
5930-01-351-0649INTERCHANGEABLE
SWITCH SUBASSEMBLY
75011
5930-01-508-8363INTERCHANGEABLE
SWITCH,LIQUID LEVEL
520-12950-1

Frequently Asked Questions

What is NSN 4820-00-097-0311?

NSN 4820-00-097-0311 is a Valve,ball, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-097-0311?

NSN 4820-00-097-0311 has 5 cross-referenced part numbers: 7501-4AF (Parker Hannifin Corporation Div Aerospace Group Headquarters), 26701-2 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 49F9798-31 (Department of the Air Force), 7501-1 (Sikes Co Div of Milwaukee Chair Co), 7501-1 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 4820-00-097-0311?

There are 6 known substitutes for 4820-00-097-0311: 5330-01-047-4154, 5310-01-174-2539, 3120-01-184-7762 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7501-4AF?

Key specifications for 7501-4AF: Seat Angle: 37.0 DEGREES ALL ENDS; Surface Treatment: ANODIZE; Nominal Thread Size: 0.438 INCHES ALL ENDS IN; Operating Pressure: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-097-0311 still in active supply?

NSN 4820-00-097-0311 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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