PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20651Valve,solenoid

Aar Allen Services, Inc Dba Aar Component Services Wellington · NSN 4810-00-814-4439 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-814-4439 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-814-4439. Primary manufacturer part number: 20651.
Features
  • Valve,solenoid — FSC 4810
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Material: ALUMINUM ALLOY BODY
  • Mounting Position: HORIZONTAL
  • Valve Operation Method: SOLENOID
  • Maximum Operating Temp: 216.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Flow Control Device: STEM
  • Connection Style: GASKET SEAL(BOSS) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy Body construction
General Description

The Valve,solenoid, cataloged under National Stock Number 4810-00-814-4439, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aar Allen Services, Inc Dba Aar Component Services Wellington. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4810-00-814-4439
Primary Part Number20651
Item NameValve,solenoid
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerAar Allen Services, Inc Dba Aar Component Services Wellington
StatusCANCELLED
Thread DirectionRIGHT-HAND ALL ENDS
MaterialALUMINUM ALLOY BODY
Mounting PositionHORIZONTAL
Valve Operation MethodSOLENOID
Maximum Operating Temp216.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceSTEM
Connection StyleGASKET SEAL(BOSS) ALL ENDS
Flow Control Device Normal Operation PositionCLOSED
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Aperture Diameter0.500 INCHES NOMINAL IN
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MaterialSTEEL CORROSION RESISTING SEAT
Operating Pressure25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Voltage in Volts and Current Type14.0 DC AND 29.0 DC
Style DesignatorSTRAIGHT THRU
Surface Treatment Document and ClassificationMIL-A-8625,TYPE2 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentANODIZE
Material Document and ClassificationQQ-A-596,ALLOY356 FED SPEC SINGLE MATERIAL RESPONSE BODY
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Thread Class3B ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
1650-00-211-477320651 INTERCHANGEABLE
Fitting
Hydro-Aire Aerospace Corp
5133-00-266-9229 INTERCHANGEABLE
Drill,twist
5930-00-296-93612801502-1 INTERCHANGEABLE
Switch,sensitive
Honeywell Intl Inc Defense Avionics Systems
6640-01-728-7366800964-1 INTERCHANGEABLE
Probe,temperature,platelet Incub
Helmer Scientific Llc Dba Helmer
Cross-Reference Index
Part NumberManufacturer
8-00964-1 Hughes Missile Systems Co San Diego (USA)
20651 PRIMARY Aar Allen Services, Inc Dba Aar Component Services Wellington (USA)
Related Parts
1650-00-211-4773INTERCHANGEABLE
FITTING
20651
5133-00-266-9229INTERCHANGEABLE
DRILL,TWIST
5930-00-296-9361INTERCHANGEABLE
SWITCH,SENSITIVE
2801502-1
6640-01-728-7366INTERCHANGEABLE
PROBE,TEMPERATURE,PLATELET INCUB
800964-1

Frequently Asked Questions

What is NSN 4810-00-814-4439?

NSN 4810-00-814-4439 is a Valve,solenoid, manufactured by Aar Allen Services, Inc Dba Aar Component Services Wellington, classified under FSC 4810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4810-00-814-4439?

NSN 4810-00-814-4439 has 2 cross-referenced part numbers: 8-00964-1 (Hughes Missile Systems Co San Diego), 20651 (Aar Allen Services, Inc Dba Aar Component Services Wellington).

What NSN replaces 4810-00-814-4439?

There are 4 known substitutes for 4810-00-814-4439: 1650-00-211-4773, 5133-00-266-9229, 5930-00-296-9361 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20651?

Key specifications for 20651: Thread Direction: RIGHT-HAND ALL ENDS; Material: ALUMINUM ALLOY BODY; Mounting Position: HORIZONTAL; Valve Operation Method: SOLENOID. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4810-00-814-4439 still in active supply?

NSN 4810-00-814-4439 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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