PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

JMS-3422Stem,fluid Valve

Clark-Reliance Llc Dba Jerguson Gage & Valve · NSN 4820-01-390-4860 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-390-4860 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-390-4860. Primary manufacturer part number: JMS-3422.
Features
  • Stem,fluid Valve — FSC 4820
  • Criticality Code Justification: AGAV
  • 3 verified cross-references
  • Primary manufacturer: Clark-Reliance Llc Dba Jerguson Gage & Valve
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-390-4860, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clark-Reliance Llc Dba Jerguson Gage & Valve. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-390-4860
Primary Part NumberJMS-3422
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClark-Reliance Llc Dba Jerguson Gage & Valve
StatusACTIVE
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-186-5657 INTERCHANGEABLE
Bonnet Assembly
4820-01-386-4496S-10400 INTERCHANGEABLE
Cap,valve
Clark-Reliance Llc Dba Jerguson Gage & Valve
Cross-Reference Index
Part NumberManufacturer
JMS-3422 PRIMARY Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
GD-1560PC11 TO 17 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
S-10400 Clark-Reliance Llc Dba Jerguson Gage & Valve (USA)
Related Parts
4820-01-186-5657INTERCHANGEABLE
BONNET ASSEMBLY
4820-01-386-4496INTERCHANGEABLE
CAP,VALVE
S-10400

Frequently Asked Questions

What is NSN 4820-01-390-4860?

NSN 4820-01-390-4860 is a Stem,fluid Valve, manufactured by Clark-Reliance Llc Dba Jerguson Gage & Valve, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-390-4860?

NSN 4820-01-390-4860 has 3 cross-referenced part numbers: JMS-3422 (Clark-Reliance Llc Dba Jerguson Gage & Valve), GD-1560PC11 TO 17 (Clark-Reliance Llc Dba Jerguson Gage & Valve), S-10400 (Clark-Reliance Llc Dba Jerguson Gage & Valve).

What NSN replaces 4820-01-390-4860?

There are 2 known substitutes for 4820-01-390-4860: 4820-01-186-5657, 4820-01-386-4496. Verify interchangeability with system specifications before substitution.

What are the specifications of JMS-3422?

Key specifications for JMS-3422: Criticality Code Justification: AGAV; End Item Identification: WELDING PAD GAGE. 2 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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