PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-644Valve,regulating,temperature

Actronics Incorporated Dba Actronics Inc · NSN 4820-01-519-5799 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-519-5799 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-519-5799. Primary manufacturer part number: 11-644.
Features
  • Valve,regulating,temperature — FSC 4820
  • Mounting Facility: EXTERNAL THREAD
  • Surface Treatment: PAINT OUTSIDE
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Material: ALUMINUM ALLOY OR STEEL CORROSION RESISTING BODY
  • Valve Size: 1.250 INCHES IN
  • End Connection Quantity: 1
  • Material: STEEL CORROSION RESISTING SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy or Steel Corrosion Resisting Body construction
General Description

The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-519-5799, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Actronics Incorporated Dba Actronics Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN4820-01-519-5799
Primary Part Number11-644
Item NameValve,regulating,temperature
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerActronics Incorporated Dba Actronics Inc
StatusACTIVE
Mounting FacilityEXTERNAL THREAD
Surface TreatmentPAINT OUTSIDE
Media for Which DesignedHYDROCARBON FUELS AND OILS
MaterialALUMINUM ALLOY OR STEEL CORROSION RESISTING BODY
Valve Size1.250 INCHES IN
End Connection Quantity1
MaterialSTEEL CORROSION RESISTING SEAT
Body StyleSCREW-IN CARTRIDGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-658-0612SM-B-187391 INTERCHANGEABLE
Cover,access
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5365-00-927-721011644 INTERCHANGEABLE
Shim Set
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
6750-01-400-304611644 INTERCHANGEABLE
Developer,photographic
Ilford Photo Corp
4730-01-412-5200116-4-4 INTERCHANGEABLE
Tee,pipe to Boss
Mazzer Industries Inc.
5935-01-425-4089116-44 INTERCHANGEABLE
Connector,receptacle,electrical
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
11-644 PRIMARY Actronics Incorporated Dba Actronics Inc (USA)
12438427 General Dynamics Land Systems Inc. (USA)
12438427 Actronics Incorporated Dba Actronics Inc (USA)
Related Parts
5340-00-658-0612INTERCHANGEABLE
COVER,ACCESS
SM-B-187391
5365-00-927-7210INTERCHANGEABLE
SHIM SET
11644
6750-01-400-3046INTERCHANGEABLE
DEVELOPER,PHOTOGRAPHIC
11644
4730-01-412-5200INTERCHANGEABLE
TEE,PIPE TO BOSS
116-4-4
5935-01-425-4089INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
116-44

Frequently Asked Questions

What is NSN 4820-01-519-5799?

NSN 4820-01-519-5799 is a Valve,regulating,temperature, manufactured by Actronics Incorporated Dba Actronics Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-519-5799?

NSN 4820-01-519-5799 has 3 cross-referenced part numbers: 11-644 (Actronics Incorporated Dba Actronics Inc), 12438427 (General Dynamics Land Systems Inc.), 12438427 (Actronics Incorporated Dba Actronics Inc).

What NSN replaces 4820-01-519-5799?

There are 5 known substitutes for 4820-01-519-5799: 5340-00-658-0612, 5365-00-927-7210, 6750-01-400-3046 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-644?

Key specifications for 11-644: Mounting Facility: EXTERNAL THREAD; Surface Treatment: PAINT OUTSIDE; Media for Which Designed: HYDROCARBON FUELS AND OILS; Material: ALUMINUM ALLOY OR STEEL CORROSION RESISTING BODY. 10 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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