PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37142Valve Assembly

Dionex Corporation · NSN 4820-01-431-9640 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-431-9640 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-431-9640. Primary manufacturer part number: 37142.
Features
  • Valve Assembly — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Dionex Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-431-9640, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dionex Corporation. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-431-9640
Primary Part Number37142
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDionex Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-897-541237142 INTERCHANGEABLE
Contact,electrical
L3harris Technologies, Inc. Div Space and Airborne Systems
3120-01-545-239037142 INTERCHANGEABLE
Bearing,washer,thrust
Fascan International, Inc.
5305-01-551-0957981635 INTERCHANGEABLE
Screw,machine
Multiquip Inc. Dba Multiquip Inc
4810-01-632-3654037 142 INTERCHANGEABLE
Valve,solenoid
Sauer Compressors Usa, Inc.
5331-01-725-130137142 INTERCHANGEABLE
O-Ring
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
98-1635 Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia (USA)
037142 Dionex Corporation (USA)
37142 PRIMARY Dionex Corporation (USA)
Related Parts
5999-00-897-5412INTERCHANGEABLE
CONTACT,ELECTRICAL
37142
3120-01-545-2390INTERCHANGEABLE
BEARING,WASHER,THRUST
37142
5305-01-551-0957INTERCHANGEABLE
SCREW,MACHINE
981635
4810-01-632-3654INTERCHANGEABLE
VALVE,SOLENOID
037 142
5331-01-725-1301INTERCHANGEABLE
O-RING
37142

Frequently Asked Questions

What is NSN 4820-01-431-9640?

NSN 4820-01-431-9640 is a Valve Assembly, manufactured by Dionex Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-431-9640?

NSN 4820-01-431-9640 has 3 cross-referenced part numbers: 98-1635 (Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia), 037142 (Dionex Corporation), 37142 (Dionex Corporation).

What NSN replaces 4820-01-431-9640?

There are 5 known substitutes for 4820-01-431-9640: 5999-00-897-5412, 3120-01-545-2390, 5305-01-551-0957 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37142?

Key specifications for 37142: Special Features: HIGH PRESSURE INJECTION SLIDER VALVE KIT FOR CHROMATOGRAPHY MODULE; 4000 PSI (1/4-28). 1 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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