PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H459Valve,lift-Check

Ausco Inc · NSN 4820-00-524-8443 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-524-8443 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-524-8443. Primary manufacturer part number: H459.
Features
  • Valve,lift-Check — FSC 4820
  • Disk Loading Method: SPRING
  • Mounting Position: HORIZONTAL OR VERTICAL
  • Bonnet Type: PACKING RETAINING
  • Connection Type: THREADED INTERNAL BOSS FIRST END
  • Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: POPPET
  • Valve Operation Method: MANUAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Seat construction
General Description

The Valve,lift-Check, cataloged under National Stock Number 4820-00-524-8443, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ausco Inc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-524-8443
Primary Part NumberH459
Item NameValve,lift-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAusco Inc
StatusCANCELLED
Disk Loading MethodSPRING
Mounting PositionHORIZONTAL OR VERTICAL
Bonnet TypePACKING RETAINING
Connection TypeTHREADED INTERNAL BOSS FIRST END
Maximum Operating Temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DevicePOPPET
Valve Operation MethodMANUAL
Thread Quantity Per Inch18 FIRST END
Thread DirectionRIGHT-HAND FIRST END
MaterialSTEEL SEAT
Thread Class3B FIRST END
Connection StyleGASKET SEAL (BOSS) FIRST END
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNF FIRST END
Nominal Thread Size0.562 INCHES FIRST END IN
Style DesignatorSTRAIGHT THRU
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
MaterialALUMINUM ALLOY BODY
Center to Center Distance1.500 INCHES IN
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MaterialSTEEL STEM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3455-00-224-032513200 INTERCHANGEABLE
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Niagara Cutter Inc
2910-00-255-22560-10196 INTERCHANGEABLE
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5970-00-284-8070102976 INTERCHANGEABLE
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Aero International, Llc Dba Ams Engineered Solutions
4320-00-320-8943 INTERCHANGEABLE
Rotor,driven,2nd St
5331-00-568-4335H4-59 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
5975-00-577-85181942 INTERCHANGEABLE
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Abb Installation Products Inc
5975-00-615-91725247 INTERCHANGEABLE
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Abb Installation Products Inc
5841-00-798-8649 INTERCHANGEABLE
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6675-01-201-429813200 INTERCHANGEABLE
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5925-01-327-075913200 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
H459 PRIMARY Ausco Inc (USA)
4445202 The Boeing Company (USA)
13200 PRIMARY Parker-Hannifin Corporation Dba Control Systems Division (USA)
Related Parts
3455-00-224-0325INTERCHANGEABLE
CUTTER,MILLING,ANGLE
13200
2910-00-255-2256INTERCHANGEABLE
CARBURETOR,FLOAT
0-10196
5970-00-284-8070INTERCHANGEABLE
INSULATOR,BUSHING
102976
4320-00-320-8943INTERCHANGEABLE
ROTOR,DRIVEN,2ND ST
5331-00-568-4335INTERCHANGEABLE
O-RING
H4-59
5975-00-577-8518INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
1942
5975-00-615-9172INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5247
5841-00-798-8649INTERCHANGEABLE
PERISCOPE,RADAR SET INDICATOR
6675-01-201-4298INTERCHANGEABLE
MOTOR AND GEAR BOX
13200
5925-01-327-0759INTERCHANGEABLE
CIRCUIT BREAKER
13200
5895-01-500-1523INTERCHANGEABLE
RADIO FREQUENCY MANAGEMENT SYSTE
13200
6515-01-525-8727INTERCHANGEABLE
INTUBATION KIT,EMERGENCY
13200

Frequently Asked Questions

What is NSN 4820-00-524-8443?

NSN 4820-00-524-8443 is a Valve,lift-Check, manufactured by Ausco Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-524-8443?

NSN 4820-00-524-8443 has 3 cross-referenced part numbers: H459 (Ausco Inc), 4445202 (The Boeing Company), 13200 (Parker-Hannifin Corporation Dba Control Systems Division).

What NSN replaces 4820-00-524-8443?

There are 12 known substitutes for 4820-00-524-8443: 3455-00-224-0325, 2910-00-255-2256, 5970-00-284-8070 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H459?

Key specifications for H459: Disk Loading Method: SPRING; Mounting Position: HORIZONTAL OR VERTICAL; Bonnet Type: PACKING RETAINING; Connection Type: THREADED INTERNAL BOSS FIRST END. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-524-8443 still in active supply?

NSN 4820-00-524-8443 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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