PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

812A-4Stem,fluid Valve

Henry Technologies, Inc. · NSN 4820-01-122-4399 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-122-4399 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-122-4399. Primary manufacturer part number: 812A-4.
Features
  • Stem,fluid Valve — FSC 4820
  • Surface Treatment: CADMIUM
  • Material: STEEL
  • 5 verified cross-references
  • Primary manufacturer: Henry Technologies, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-122-4399, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Henry Technologies, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-122-4399
Primary Part Number812A-4
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusACTIVE
Surface TreatmentCADMIUM
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5945-00-009-12202R10A450E INTERCHANGEABLE
Relay,electromagnetic
Dri Relays Inc. Dba Dri Relays Inc
5342-00-460-3178 INTERCHANGEABLE
Bracket
4140-01-064-55268214JN INTERCHANGEABLE
Fan,tubeaxial
Ebm Industries Inc Dba Ebm Papst
5340-01-366-37938124 INTERCHANGEABLE
Clamp,loop
Keystone Electronics Corp
5998-01-390-23298124 INTERCHANGEABLE
Electronic Components Assembly
Matrix Systems Corporation
5305-01-396-2887 INTERCHANGEABLE
Screw,machine
5340-01-432-2133 INTERCHANGEABLE
Bracket,mounting
5340-01-462-7997741260-A INTERCHANGEABLE
Bracket,mounting
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
2590-01-624-25938124 INTERCHANGEABLE
Driver Assembly,rotation Indicat
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
F9272 Henry Technologies, Inc. (USA)
812A-4 Henry Technologies, Inc. (USA)
F9272 PIECE 2 Henry Technologies, Inc. (USA)
812-4 Henry Technologies, Inc. (USA)
812A-4 PRIMARY Henry Technologies, Inc. (USA)
Related Parts
5945-00-009-1220INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2R10A450E
5342-00-460-3178INTERCHANGEABLE
BRACKET
4140-01-064-5526INTERCHANGEABLE
FAN,TUBEAXIAL
8214JN
5340-01-366-3793INTERCHANGEABLE
CLAMP,LOOP
8124
5998-01-390-2329INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
8124
5305-01-396-2887INTERCHANGEABLE
SCREW,MACHINE
5340-01-432-2133INTERCHANGEABLE
BRACKET,MOUNTING
5340-01-462-7997INTERCHANGEABLE
BRACKET,MOUNTING
741260-A
2590-01-624-2593INTERCHANGEABLE
DRIVER ASSEMBLY,ROTATION INDICAT
8124

Frequently Asked Questions

What is NSN 4820-01-122-4399?

NSN 4820-01-122-4399 is a Stem,fluid Valve, manufactured by Henry Technologies, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-122-4399?

NSN 4820-01-122-4399 has 5 cross-referenced part numbers: F9272 (Henry Technologies, Inc.), 812A-4 (Henry Technologies, Inc.), F9272 PIECE 2 (Henry Technologies, Inc.), 812-4 (Henry Technologies, Inc.), 812A-4 (Henry Technologies, Inc.).

What NSN replaces 4820-01-122-4399?

There are 9 known substitutes for 4820-01-122-4399: 5945-00-009-1220, 5342-00-460-3178, 4140-01-064-5526 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 812A-4?

Key specifications for 812A-4: Surface Treatment: CADMIUM; Material: STEEL. 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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