PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6428Valve,gate

Alter Harry Co the Div of T E C · NSN 4820-01-122-5826 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-122-5826 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-122-5826. Primary manufacturer part number: 6428.
Features
  • Valve,gate — FSC 4820
  • Nominal Thread Size: 0.500 INCHES IN
  • Inlet Relationship with Outlet: IDENTICAL
  • Stem Type: RISING
  • Material: COPPER ALLOY BODY
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 125.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Bonnet Type: PACKING RETAINING
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-122-5826, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 13 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-122-5826
Primary Part Number6428
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAlter Harry Co the Div of T E C
StatusACTIVE
Nominal Thread Size0.500 INCHES IN
Inlet Relationship with OutletIDENTICAL
Stem TypeRISING
MaterialCOPPER ALLOY BODY
Thread Series DesignatorNPT
Operating Pressure and Type125.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Bonnet TypePACKING RETAINING
Connection TypeTHREADED INTERNAL PIPE
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY DISK
MaterialCOPPER ALLOY STEM
Valve Size0.500 INCHES IN
MaterialCOPPER ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-087-7544S30096-1 INTERCHANGEABLE
Connector,receptacle,electrical
L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies
4730-00-202-7760LK9 INTERCHANGEABLE
Clamp,hose
Wisconsin Motors, Llc
8115-00-901-64286428 INTERCHANGEABLE
Box,shipping
Connecticut Container Corp. Dba Connecticut Container Corp
3455-01-044-7951716-030119 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
3120-01-157-7588 INTERCHANGEABLE
Bearing,washer,thrust
4730-01-273-36716428 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
5305-01-624-07486428 INTERCHANGEABLE
Screw,machine
Teledyne Flir Unmanned Ground Systems, Inc
5330-01-703-26766428 INTERCHANGEABLE
Gasket
Italwatt S.r.l.
Cross-Reference Index
Part NumberManufacturer
6428 PRIMARY Alter Harry Co the Div of T E C (USA)
Related Parts
5935-00-087-7544INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
S30096-1
4730-00-202-7760INTERCHANGEABLE
CLAMP,HOSE
LK9
8115-00-901-6428INTERCHANGEABLE
BOX,SHIPPING
6428
3455-01-044-7951INTERCHANGEABLE
CUTTER,MILLING,END
716-030119
3120-01-157-7588INTERCHANGEABLE
BEARING,WASHER,THRUST
4730-01-273-3671INTERCHANGEABLE
CLAMP,HOSE
6428
5305-01-624-0748INTERCHANGEABLE
SCREW,MACHINE
6428
5330-01-703-2676INTERCHANGEABLE
GASKET
6428

Frequently Asked Questions

What is NSN 4820-01-122-5826?

NSN 4820-01-122-5826 is a Valve,gate, manufactured by Alter Harry Co the Div of T E C, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-122-5826?

NSN 4820-01-122-5826 has 1 cross-referenced part number: 6428 (Alter Harry Co the Div of T E C).

What NSN replaces 4820-01-122-5826?

There are 8 known substitutes for 4820-01-122-5826: 5935-00-087-7544, 4730-00-202-7760, 8115-00-901-6428 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6428?

Key specifications for 6428: Nominal Thread Size: 0.500 INCHES IN; Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Material: COPPER ALLOY BODY. 13 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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