PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6124-6Valve,restrictor Check

Pneudraulics, Inc. · NSN 4820-01-143-9926 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-143-9926 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-143-9926. Primary manufacturer part number: 6124-6.
Features
  • Valve,restrictor Check — FSC 4820
  • Material: ALUMINUM ALLOY OVERALL
  • Flow Control Device: POPPET
  • 6 verified cross-references
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-01-143-9926, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-143-9926
Primary Part Number6124-6
Item NameValve,restrictor Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusCANCELLED
MaterialALUMINUM ALLOY OVERALL
Flow Control DevicePOPPET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5970-00-296-4887 INTERCHANGEABLE
Insulator,standoff
5330-00-310-910475906 INTERCHANGEABLE
Gasket
Textron Lycoming Inc Williamsport Plant
3455-00-516-5071 INTERCHANGEABLE
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5330-00-876-973061-243 INTERCHANGEABLE
Parts Kit,valve,reg
Triumph Thermal Systems - Maryland, Inc.
5935-01-137-5256 INTERCHANGEABLE
Connector,plug,electrical
6530-01-337-867261243 INTERCHANGEABLE
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Getinge Usa Inc
4730-01-722-627961246 INTERCHANGEABLE
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Getinge Usa Sales, Llc
Cross-Reference Index
Part NumberManufacturer
A51H9080-3 Northrop Grumman Systems Corporation (USA)
A51H9080-5 Northrop Grumman Systems Corporation (USA)
A51H9080-5 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
A51H9080-3 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA)
6124-6 PRIMARY Pneudraulics, Inc. (USA)
6124-3 Pneudraulics, Inc. (USA)
Related Parts
5970-00-296-4887INTERCHANGEABLE
INSULATOR,STANDOFF
5330-00-310-9104INTERCHANGEABLE
GASKET
75906
3455-00-516-5071INTERCHANGEABLE
REAMER,MACHINE
5330-00-876-9730INTERCHANGEABLE
PARTS KIT,VALVE,REG
61-243
5935-01-137-5256INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6530-01-337-8672INTERCHANGEABLE
PROBE,WATER LEVEL,AUTOCLAVE
61243
4730-01-722-6279INTERCHANGEABLE
STRAINER,SEDIMENT
61246

Frequently Asked Questions

What is NSN 4820-01-143-9926?

NSN 4820-01-143-9926 is a Valve,restrictor Check, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-143-9926?

NSN 4820-01-143-9926 has 6 cross-referenced part numbers: A51H9080-3 (Northrop Grumman Systems Corporation), A51H9080-5 (Northrop Grumman Systems Corporation), A51H9080-5 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), A51H9080-3 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 6124-6 (Pneudraulics, Inc.) and 1 more.

What NSN replaces 4820-01-143-9926?

There are 7 known substitutes for 4820-01-143-9926: 5970-00-296-4887, 5330-00-310-9104, 3455-00-516-5071 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6124-6?

Key specifications for 6124-6: Material: ALUMINUM ALLOY OVERALL; Flow Control Device: POPPET. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-143-9926 still in active supply?

NSN 4820-01-143-9926 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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