PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4430Valve,angle

Ashcroft Inc Dba Heise · NSN 4820-00-809-1709 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-809-1709 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-809-1709. Primary manufacturer part number: 4430.
Features
  • Valve,angle — FSC 4820
  • Material: COPPER ALLOY BODY
  • Bonnet Type: INSIDE SCREW
  • Valve Operation Method: MANUAL
  • Features Provided: BONNET PACKING
  • Thread Quantity Per Inch: 14 ALL ENDS
  • Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SIZE OF END CONNECTIONS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-809-1709, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 22 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-809-1709
Primary Part Number4430
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
MaterialCOPPER ALLOY BODY
Bonnet TypeINSIDE SCREW
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Thread Quantity Per Inch14 ALL ENDS
Nominal Pipe Size Accommodated0.500 INCHES ALL ENDS IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SIZE OF END CONNECTIONS
Renewable Seat Ring TypeTHREADED
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread DirectionRIGHT-HAND ALL ENDS
Media for Which DesignedSTEAM SINGLE RESPONSE
Nominal Thread Size0.500 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Style DesignatorANGLE
MaterialCOPPER ALLOY AND SILICON STEM
Flow Control DeviceDISK
Bonnet Attachment MethodUNION
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Maximum Operating Temp358.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MaterialSTEEL CORROSION RESISTING SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6630-00-074-0394 INTERCHANGEABLE
Test Set,chromate
6515-00-104-8714 INTERCHANGEABLE
Surgical Pack,disposable
5305-00-146-57014430 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
2640-00-242-76184430 INTERCHANGEABLE
Valve Extension,tire
Schrader-Bridgeport International Inc Dba Schrader Automotive
4820-00-541-0933 INTERCHANGEABLE
Valve,angle
6115-00-659-27864430 INTERCHANGEABLE
Converter,frequency,meter
Precision Electronics, Inc
6240-00-752-2424 INTERCHANGEABLE
Lamp,incandescent
4820-00-801-1706 INTERCHANGEABLE
Valve,angle
5905-00-843-92934430 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5935-00-846-8665MS3108R14S7S INTERCHANGEABLE
Connector,plug,electrical
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
4430 Ashcroft Inc Dba Heise (USA)
Related Parts
6630-00-074-0394INTERCHANGEABLE
TEST SET,CHROMATE
6515-00-104-8714INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
5305-00-146-5701INTERCHANGEABLE
SCREW,SHOULDER
4430
2640-00-242-7618INTERCHANGEABLE
VALVE EXTENSION,TIRE
4430
4820-00-541-0933INTERCHANGEABLE
VALVE,ANGLE
6115-00-659-2786INTERCHANGEABLE
CONVERTER,FREQUENCY,METER
4430
6240-00-752-2424INTERCHANGEABLE
LAMP,INCANDESCENT
4820-00-801-1706INTERCHANGEABLE
VALVE,ANGLE
5905-00-843-9293INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4430
5935-00-846-8665INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
MS3108R14S7S
5905-00-936-6061INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
6625-00-964-9696INTERCHANGEABLE
AMMETER
4430

Frequently Asked Questions

What is NSN 4820-00-809-1709?

NSN 4820-00-809-1709 is a Valve,angle, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-809-1709?

NSN 4820-00-809-1709 has 1 cross-referenced part number: 4430 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-809-1709?

There are 12 known substitutes for 4820-00-809-1709: 6630-00-074-0394, 6515-00-104-8714, 5305-00-146-5701 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4430?

Key specifications for 4430: Material: COPPER ALLOY BODY; Bonnet Type: INSIDE SCREW; Valve Operation Method: MANUAL; Features Provided: BONNET PACKING. 22 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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