PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A15530Valve,angle

Mueller Brass Co. · NSN 4820-00-905-3484 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-905-3484 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-905-3484. Primary manufacturer part number: A15530.
Features
  • Valve,angle — FSC 4820
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Bonnet Type: INSIDE SCREW
  • Thread Direction: RIGHT-HAND FIRST END
  • Thread Series Designator: UNF FIRST END
  • Thread Direction: RIGHT-HAND SECOND END
  • Thread Class: 3A FIRST END A
  • Thread Quantity Per Inch: 14 SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy and Plastic Polyamide Nylon Flow Control Device construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-905-3484, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mueller Brass Co.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN4820-00-905-3484
Primary Part NumberA15530
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMueller Brass Co.
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Bonnet TypeINSIDE SCREW
Thread DirectionRIGHT-HAND FIRST END
Thread Series DesignatorUNF FIRST END
Thread DirectionRIGHT-HAND SECOND END
Thread Class3A FIRST END A
Thread Quantity Per Inch14 SECOND END
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Flow Control DeviceDISK
Nominal Thread Size0.500 INCHES SECOND END IN
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY AND PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
MaterialCOPPER ALLOY BODY
MaterialCOPPER ALLOY SEAT
Connection StyleFLARED (TUBE) FIRST END
Bonnet Attachment MethodTHREADED
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Thread Series DesignatorNPTF SECOND END
MaterialCOPPER ALLOY STEM
Nominal Outside Diameter Tube Accommodated0.500 INCHES FIRST END IN
Seat Angle45.0 DEGREES FIRST END
Nominal Thread Size0.750 INCHES FIRST END IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3130-00-228-6184 INTERCHANGEABLE
Bearing Assembly,pump
Cross-Reference Index
Part NumberManufacturer
A15746 Mueller Brass Co. (USA)
A15530 PRIMARY Mueller Brass Co. (USA)
EP20LA103 Carrier Corp (USA)
Related Parts
3130-00-228-6184INTERCHANGEABLE
BEARING ASSEMBLY,PUMP

Frequently Asked Questions

What is NSN 4820-00-905-3484?

NSN 4820-00-905-3484 is a Valve,angle, manufactured by Mueller Brass Co., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-905-3484?

NSN 4820-00-905-3484 has 3 cross-referenced part numbers: A15746 (Mueller Brass Co.), A15530 (Mueller Brass Co.), EP20LA103 (Carrier Corp).

What NSN replaces 4820-00-905-3484?

There is 1 known substitute for 4820-00-905-3484: 3130-00-228-6184. Verify interchangeability with system specifications before substitution.

What are the specifications of A15530?

Key specifications for A15530: Connection Type: THREADED EXTERNAL PIPE SECOND END; Bonnet Type: INSIDE SCREW; Thread Direction: RIGHT-HAND FIRST END; Thread Series Designator: UNF FIRST END. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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