PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90720-1Valve,ball

Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit · NSN 4820-01-149-2620 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-149-2620 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-2620. Primary manufacturer part number: 90720-1.
Features
  • Valve,ball — FSC 4820
  • Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END
  • Thread Direction: RIGHT-HAND FIRST END
  • Material: STEEL CORROSION RESISTING STEM
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: AIR FIRST RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-149-2620, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-149-2620
Primary Part Number90720-1
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTeledyne Industries Inc Teledyne Fluid Systems Republic Business Unit
StatusACTIVE
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection StylePLAIN,OPTIONAL END(PIPE) FIRST END
Thread DirectionRIGHT-HAND FIRST END
MaterialSTEEL CORROSION RESISTING STEM
Style DesignatorSTRAIGHT THRU
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedAIR FIRST RESPONSE
Nominal Thread Size2.000 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Valve Operation MethodMANUAL
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-00-553-8436826810 INTERCHANGEABLE
Ammeter
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
90720-1 Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit (USA)
Related Parts
6625-00-553-8436INTERCHANGEABLE
AMMETER
826810

Frequently Asked Questions

What is NSN 4820-01-149-2620?

NSN 4820-01-149-2620 is a Valve,ball, manufactured by Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-149-2620?

NSN 4820-01-149-2620 has 1 cross-referenced part number: 90720-1 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit).

What NSN replaces 4820-01-149-2620?

There is 1 known substitute for 4820-01-149-2620: 6625-00-553-8436. Verify interchangeability with system specifications before substitution.

What are the specifications of 90720-1?

Key specifications for 90720-1: Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF; Connection Style: PLAIN,OPTIONAL END(PIPE) FIRST END; Thread Direction: RIGHT-HAND FIRST END; Material: STEEL CORROSION RESISTING STEM. 12 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