PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1430Valve,gate

Lunkenheimer Co · NSN 4820-00-883-4596 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-883-4596 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-883-4596. Primary manufacturer part number: 1430.
Features
  • Valve,gate — FSC 4820
  • Material: COPPER ALLOY DISK
  • Material: IRON CAST UNS F12102 BODY
  • Bolt Hole Quantity: 12
  • Bonnet Type: OUTSIDE SCREW-YOKE
  • Face to Face Distance: 13.000 INCHES IN
  • Flange Diameter: 16.000 INCHES IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND 10 SIZE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Disk construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-883-4596, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lunkenheimer Co. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN4820-00-883-4596
Primary Part Number1430
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLunkenheimer Co
StatusCANCELLED
MaterialCOPPER ALLOY DISK
MaterialIRON CAST UNS F12102 BODY
Bolt Hole Quantity12
Bonnet TypeOUTSIDE SCREW-YOKE
Face to Face Distance13.000 INCHES IN
Flange Diameter16.000 INCHES IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND 10 SIZE
Operating Pressure and Type125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Face DesignPLAIN
Material Document and ClassificationASTM A126 ASSN STD SINGLE MATERIAL RESPONSE BODY
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Connection TypeFLANGE, ROUND W/HOLES
MaterialCOPPER ALLOY 836 SEAT
MaterialCOPPER ALLOY STEM
Bonnet Attachment MethodBOLTED
Valve Size10.000 INCHES IN
Stem TypeRISING
Inlet Relationship with OutletIDENTICAL
Maximum Operating Temp and Media for Which Designed450.0 FAHRENHEIT STEAM AND 450.0 FAHRENHEIT WATER-OIL-GAS DEGF
Material Document and ClassificationASTM B147 ALLOY 7A ASSN STD SINGLE MATERIAL RESPONSE STEM A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-142-3139 INTERCHANGEABLE
Valve,gate
4820-00-268-87731787 SZ 4 IN INTERCHANGEABLE
Valve,gate
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-00-268-8776 INTERCHANGEABLE
Valve,gate
4820-00-275-2424 INTERCHANGEABLE
Valve,gate
4820-00-275-2425 INTERCHANGEABLE
Valve,gate
4820-00-275-2426 INTERCHANGEABLE
Valve,gate
4820-00-818-1270726F4IN INTERCHANGEABLE
Valve,gate
The Walworth Company
4820-00-883-0160MSS-SP-70 TY 1/OF/TIM A/CL125 INTERCHANGEABLE
Valve,gate
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-899-7358 INTERCHANGEABLE
Valve,gate
4820-01-148-2720 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
1430 Lunkenheimer Co (USA)
MSS SP-70 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
726F The Walworth Company (USA)
IR1140 Hammond Valve Corp (USA)
WWV58 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MSS-SP-70-76 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
521-2 Dresser Industries Inc Dresser Mfg Div (USA)
FIG 1430 SZ 10 IN Lunkenheimer Co (USA)
Related Parts
4820-00-142-3139INTERCHANGEABLE
VALVE,GATE
4820-00-268-8773INTERCHANGEABLE
VALVE,GATE
1787 SZ 4 IN
4820-00-268-8776INTERCHANGEABLE
VALVE,GATE
4820-00-275-2424INTERCHANGEABLE
VALVE,GATE
4820-00-275-2425INTERCHANGEABLE
VALVE,GATE
4820-00-275-2426INTERCHANGEABLE
VALVE,GATE
4820-00-818-1270INTERCHANGEABLE
VALVE,GATE
726F4IN
4820-00-883-0160INTERCHANGEABLE
VALVE,GATE
MSS-SP-70 TY 1/OF/TIM A/CL125
4820-00-899-7358INTERCHANGEABLE
VALVE,GATE
4820-01-148-2720INTERCHANGEABLE
VALVE,GATE
7530-01-207-4340INTERCHANGEABLE
FILM,COPYING,THERMOGRAPHIC PROCE
4820-01-438-0937INTERCHANGEABLE
VALVE,GATE
G-623-4.00IN

Frequently Asked Questions

What is NSN 4820-00-883-4596?

NSN 4820-00-883-4596 is a Valve,gate, manufactured by Lunkenheimer Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-883-4596?

NSN 4820-00-883-4596 has 8 cross-referenced part numbers: 1430 (Lunkenheimer Co), MSS SP-70 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), 726F (The Walworth Company), IR1140 (Hammond Valve Corp), WWV58 (Federal Specifications Promulgated by General Services Administration Washington DC) and 3 more.

What NSN replaces 4820-00-883-4596?

There are 12 known substitutes for 4820-00-883-4596: 4820-00-142-3139, 4820-00-268-8773, 4820-00-268-8776 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1430?

Key specifications for 1430: Material: COPPER ALLOY DISK; Material: IRON CAST UNS F12102 BODY; Bolt Hole Quantity: 12; Bonnet Type: OUTSIDE SCREW-YOKE. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-883-4596 still in active supply?

NSN 4820-00-883-4596 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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